Free thinking games online, PC puzzle games that require thought & logical thinking, strategy games that involve critical thinking, analytical thinking skills. Online brain-teaser games for kids (girls & boys) to play now with no download. Top new logic-based flash games for PC, Mac desktop, notebook, iPad..
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Free Thinking Games Online for Kids / Teens

Rating: 7.4/10 - 292977 votes

Play free logic-based games, good fun interactive puzzle activities, cool brain-teasers, challenging creative thinking games for children and teenagers on Learn4Good.com. From classic-style puzzle concepts to the newest online thinking game ideas.

Enjoy easy & difficult problem solving activities to play now online at home with your friends and family, or test yourself against very hard and intense physics-based games for the classroom with your teacher (for elementary school through high school students). 

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Chronotron is a head-scratching, brain teaser puzzle platform game for older kids and teens set in a world where time travel is an essential everyday skill that you have to master! You play the role of Chronotron, the red and white little time-traveling robot who needs to navigate his way through a series of challenging platform levels. To do this Chronotron must enlist the help of and interact with identical, teleported versions of himself from the immediate past. Use the Time Pod machine (an elevator) to replicate multiple versions of yourself in order to complete various tasks such as opening doors, flipping switches, lifting boxes, and other actions that would be impossible for Chronotron to do alone as one entity.

This innovative and challenging online activity really tests your analytical thinking and problem-solving skills as you try to figure out a solution that allows all versions of the likeable little robot to successfully work together in order to complete each level. Great patience and determination is needed in order to find the solution. Try not to get your brain in a twist – Time travel can be mind-meltingly tricky at times! Ok Chronotron – let's call on past experience to solve future problems!

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Pour The Fish is a challenging and innovative physics-based puzzle game where you have to dig through the dirt to create pathways for clean water to flow directly into the mouths of some thirsty fish. Having been sucked through a drainpipe into an underground ventilation system, your new fish buddies need to drink the small amount of water available in each level to survive. Your job is to make sure the water is clean, and has a clear path to reach these rather odd-looking little creatures! It’s not as easy as it sounds as you have to contend with the effect of gravity in a changing environment, poisonous water, exploding time bombs, and other obstacles that stand in the way of getting your "fishies" the water that they desperately need!

Packed with fun animation and unique features, this addicting and refreshingly-original, mouse-clicking problem solving activity could be ideal to use in the classroom to help to teach young kids how liquid moves and reacts to gravity. It is also a fun brain teaser activity that could help to promote and improve analytical thinking, as well as the creative strategy and engineering skills of any budding engineers and architects of the future; You simply have to carefully construct pathways and bridges for the water to travel along. Ok Puzzle Master, it's time to make a big splash in the world!

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Monkey Go Happy Marathon is another in the awesome series of top fun, interactive, point-and-click puzzle games for kids of all ages that involve the cheering up of a grumpy, teary-eyed monkey and family members, and are designed to make you laugh and feel good about yourself (and perhaps cry a bit too if you cannot find the solution). Here, you have to solve a series of 30 random and wacky mini-game challenges to make the little guy happy. With more levels than ever - and a raft of tricky new puzzles to solve, Monkey Go Happy Marathon truly lives up to its name! It’s an absolute marathon of mouse-clicking, problem-solving fun! Interact with click-able objects, hidden items, and cool animated characters in your quest to turn your pet monkey’s gloomy frown into a beaming smile! Enjoy the eccentric "brass band-style" musical ensemble in the background which adds to the mischievous theme.

This awesome brain teaser game requires plenty of logical thinking, good observation skills, the use of strategy to solve problems, dogged determination, bucket loads of patience, and the elusive vision to "think outside the box". Monkey Go Happy games should prove a hit with fans of highly creative online problem solving activities, and kids / teens who like a good-old interactive puzzle with a twist. If you enjoy playing this game, can you find the original Monkey Go Happy game on our Learn4Good site, as well as multiple other sequels? A very important lesson we can learn from these Monkey Go Happy games is that even a little positive effort and assistance by one person (you!) can make an enormous difference to someone's day and feelings. Try never to forget that, and Good Luck in your daily quest to make the world around you a happier place! Now, there’s no further time to be wistfully pondering and monkeying around – let’s get right into the thick of the difficult problem solving action! Enjoy the adventure!

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Forget about all that tower defending, missile launching, hoop throwing, and high-speed racing action for a while, and immerse yourself in an addicting online puzzle game that really makes you knuckle down, and think logically and creatively. Atomic Puzzle 2 is an unusual and stimulating science-based activity for young Einsteins, older kids, and brain-teaser enthusiasts of all ages where you have to eliminate all of the atoms (bright, differently colored spheres) from a complex molecular chain. Faced with a grid of colored balls connected by rubber-like links, your goal is to match & eliminate same-colored atoms (two or more) by clicking on a ‘Connector Atom’ of a different color that is linked to each of the immediate atoms you plan to remove. By taking out this Connector Atom, you cause the same-colored atoms to be pulled together, and collide, explode, and disappear! Keep repeating this process until the grid is empty.

This very interesting yet challenging problem-solving activity could be a good fit for fans of online brainteasers, chemistry-based puzzles, and molecular physics exercises in the classroom or at home with family and friends. There are very few games on the web that have such an interactive science-based premise with a dash of "match game" color and problem-solving fun thrown in for good measure! Your logical thinking skills are truly tested as you try to select the optimum connecting atom to remove in order to create a collision of same-colored atoms. The puzzles get more complex and intricate as you progress, with serious concentration, good strategic planning, dogged determination, and plenty of trial and error required. Ok Molecule Master, time to show us your scientific superpowers! Happy atom colliding!

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Meet Biff and Baff – two brightly-colored rolling balls that have to use their own eccentric brand of teamwork in order to navigate through a series of tricky platform-based mazes. Biff and Baff Rolling is a fun and refreshingly-simple arcade puzzle game where you have to guide these two cute little spheres to a Finish Area by utilizing their unique individual attributes, and create a pathway through each challenging (and very narrow) maze. Biff (the blue ball) can collect keys and unlock doors, while Baff (the red ball) can open these doors and collect point-scoring stars. By combining the skills of both Biff and Baff, you can switch between the two, and safely maneuver them through each increasingly difficult puzzle. Be very careful however! Each level is littered with extremely narrow ledges, and plenty of obstacles and traps!

This brilliantly-conceived rolling ball game requires some acute logical thinking, and will test your multitasking skills as you have switch your control of Biff and Baff in order to complete various different tasks in each level. Creative vision and strategic planning is very important as you embark on a journey that champions the virtues of teamwork and cooperation. Both balls are very sensitive to movement, so keeping a steady hand is also a vital ingredient. One tiny slip; and either of the little guys could fall off the edge, and plummet into the abyss below! Ok Maze Master, it’s time to show us the very meaning of teamwork! Happy cooperation!

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Are you a fan of classic matching gem or matching block puzzles with a twist? Are you on the hunt for a fun and awesomely-addicting game to really stimulate your mind and invigorate your concentration skills? If so, Blocks is a straight-forward (yet difficult at later levels) match-3 puzzle game for kids and grownups of where you have to swap the positions of different-colored blocks around in order to clear the playing area of all blocks (by achieving three-in-a-row combinations). However, Blocks is much more than any old match 3 activity; it becomes a very challenging thinking exercise, as well as a head-scratching, eye-rubbing, brain teaser extravaganza! Test yourself against 100 (yes, that’s ONE HUNDRED) increasingly intricate levels!

This highly enjoyable and enthralling online problem-solving game requires very good observation skills, logical thinking, the vision to predict and plan strategically, absolute dogged determination, and bucket-loads of trial and error. You must try to work out the correct solution on each level that allows same-colored blocks to fall into place and match within the structure. What begins as a modest task of swapping just one or two blocks quickly escalates into a complex mind-boggler where you need to be thinking two or three steps ahead! OK, it’s time to start laying the building blocks of your legacy as an absolute match game legend! Happy puzzle cracking!

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Say “yes” to Nodes - a very challenging and innovative brain teaser puzzle game for older kids, teens, and grown-ups. Your goal in each level is to line up the laser-emitting ‘Nodes’ so that their beams run through every one of the randomly-positioned Blue circles. Drag, and stretch the Nodes all over the game screen in order to create a crisscrossing laser-beam pathway that intersects each one of the Blue circles. The catch is that you only have a set number of Nodes in each level, and that the Blue circles are often in awkward, non-linear locations.

This really tricky and refreshingly original head-scratcher of a puzzle should prove an ideal online activity for those who enjoy exercising their brain power on a good problem solving challenge. Strategic planning ability is vitally important; being able to coldly analyze the grid to see ‘the bigger picture’ is a key skill required here. Trial and error is definitely the path to success as you try out various different intersecting combinations, make minor changes in the angle of your Nodes, and carefully figure out the best way to overlap all of the circles with Red laser beams. Hopefully, you can criss-cross your way through all 20 levels! Enjoy the zigzagging laser beam action!

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Frosty’s Adventure is a challenging, skill and strategy-based platform puzzle game for young kids to teens where you have to reunite Frosty the Snowman’s head with the rest of his body by carefully rolling and jumping his head through a series of obstacle-filled levels! Fierce winds have blown the friendly snowman’s head off of his shoulders, and into awkward positions far from the other parts of his body. Our snow-based hero needs your expert help to carefully guide his head from ledge to ledge, collecting stars and avoiding traps along the way. However, this is more than just a jumping challenge; you also need to create pathways, solve problems, flip switches and perform other puzzle-based tasks in this wonderful winter-themed adventure!

The gameplay here is reminiscent of good old-fashioned jumping games . This interactive platform game is a fun activity for young children to get into the festive spirit while also enjoying a challenging puzzle. You must think logically here, and carefully plan your route through each tricky level by using good keyboard controls, expert timing, and crafty problem solving skills. Enjoy the head-helping action!

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When describing something relatively straight-forward, people often say “it’s not rocket science”. However, that expression certainly doesn’t apply to this challenging, physics-based launching puzzle - which very much "is" Rocket Science! Here, you have to drag, rotate, and launch explosive rocket missiles at awkwardly-positioned planets in a series of tricky levels. Your rockets must be fired from a designated, outlined area, and you have to hit at least one planet with a projectile in order to progress. You might even have to launch simultaneous rockets in different directions, so be prepared for a challenge that is truly ‘out of this world’.

This fun and innovative rocket launching game requires a good deal of logical thinking and precision. Engineering a solution to each level requires the ability to foresee the resultant reaction of your propelled missile, so a good understanding of angles and trajectory is key. You never know too; Maybe one day NASA will come calling at your door! Until then, enjoy this cool problem-solving brain teaser!

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Switch on your problem solving radar, get settled in your seat, and gear yourself up for an intriguing brain teaser challenge! Tiger and Monster Hassle is a stimulating physics-based puzzle game where you have to unite two adorable stuffed toys together by removing obstacles, creating pathways, and strategically interacting with the game environment. Tiger and Monster are sadly separated in each level by a complex set of wooden objects and awkwardly-positioned obstacles, and your goal is to connect the two best friends by utilizing your cunning and creative engineering skills. Each time you remove an object from the game area, other blocks (and the cute creatures themselves) react to gravity, and set off a chain of events that hopefully results in the two buddies being reunited at last!

In your role as ‘game changer’, you have to carefully plan and figure out a logical solution that merges the two fun toys together. Suitable for both young and experienced gamers, your problem solving skills, strategic planning ability, great patience and endless determination are vitally important as you try to solve each increasingly difficult puzzle. Good reactions and timing are also important as you try to pinpoint the correct and tactful moment to make your decisive click. You’ll also need to be patient – trial and error is a big part of this challenge. Enjoy the puzzle busting action!

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Snoring 2: Wild West is a fun interactive puzzle game for younger kids of elementary to middle school age where you have to wake up a snoring elephant (by impacting with it, and toppling the elephant off of its perch). Snoring in this neighborhood is a much-frowned-upon characteristic, and disgruntled zebras, pigs, penguins, cows, and other animals are just sick and tired of the loud and disruptive snoring of their elephant buddy – so they’ve decided to team up, and put a stop to it once and for all! But they really need your brain and mouse-clicking skills to solve the problem; in each level, you must first study the scene, and using good strategy, utilize the effects of gravity and the helpful animals available! Understanding each animal’s unique attributes and potential movements, you have to set off a chain reaction that results in the elephant being jolted awake! The animals cannot move by themselves, so must to guide them around the game screen, creating momentum, removing obstacles, and generating pathways toward the ultimate goal of startling this big sleepy elephant.

Good problem solving skills, logical thinking, strategic planning, great patience, and lots of trial and error is the key to success here. Each specific animal has a dynamic attribute (cows can roll, zebras can jump, owls can fall etc), and you have to carefully harness these traits in order to engineer a solution where the elephant is nudged off the ledge where he is happily deep asleep. Fast reactions and sharp mouse movements are important as you often have to click on two animals in quick succession. If you feel a little sleepy yourself, you might find that this brain teaser a bit difficult - so for best results, ensure your feeling wide awake, and ready to get your brain working hard on this fun problem solving puzzle!

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Unleash your artistic and creative side while solving gravity-based puzzles in one of the most innovative problem solving activities available online. Sugar, Sugar 2 is an awesome second edition of the highly stimulating Sugar, Sugar puzzle game series where you have to use your creative engineering abilities, slick drawing skills, and quick reactions to guide a descending flow of sugar into specific color-coded cups! Using imaginative strokes of your computer mouse, you are required to draw / construct helpful ledges, bridges, tunnels, and pathways in order to channel the sugary pixels toward their intended cup (each cup must be filled to 100 granules of sugar). Finding a solution certainly isn’t just as easy as sugar – you have to contend with a whole host of difficult obstacles including tricky color changes, teleporting sugar pixels, alternating states of gravity, and more..

This is the kind of original, thought-provoking physics-based brain teaser that is enjoyed by children and grown-ups alike! Younger players should enjoy getting their mind focused on the colorful problem solving action, while more experienced gamers can truly test themselves against some of the most complex gravity-based levels imaginable. Prepare for a thorough examination of your mental and physical gaming attributes! As well as applying deep concentration, logical thinking, and good decision making, you must to react very quickly and keep your mouse hand steady in order to draw basic structures that help your sugar granules reach their end goal. Enjoy the sweet problem solving action!

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Untangle is a tricky game that might help you the next time you have to deal with the fun task of unraveling a large set of electric Christmas tree lights! This is a challenging online brain teaser game where you simply have to free up (untangle) a web of crisscrossing, interconnected white lines in each level. The catch is that there are an increasing number of lines as you progress, and each new level features progressively more complicated webs of troublesome tangled structures. This difficult problem solving skill-based game requires good observation skills, deep concentration, logical thinking, lots of patience and tenacity!

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Ready for a fun, rope-cutting physics and skill-based game? Boom Balloon is a tricky, interactive mouse-clicking puzzle game to really get your "spikes" into. Here, you must pop three helium-filled balloons in each level by successfully manipulating the game environment, and carefully freeing and guiding the balloons toward a set of spikes! You play the role of the ‘game-changer’, and have to meticulously plan out a sequence of actions and reactions in each level that results in all three balloons being mercilessly popped (no matter how cute the balloon designs are, they’ve simply got to go if you want to progress).

This challenging gravity-based brain teaser activity can prove to be a tricky test for even the most experienced of gamers. Each level requires careful analysis, logical thinking, good strategy, great patience and determination to figure out the correct course of actions that will result in the balloons’ demise. Once you are ready to set your cunning plan in motion, well-timed swipes of your computer mouse, and fast reaction skills are essential. Beginners beware – later levels feature extremely complex step-by-step solutions that can only be achieved through rigorous trial and error. We hope your enthusiasm for problem-solving doesn't take flight - Remember that only the balloons need to get ‘deflated’ here! Challenging yourself is what it's all about:) Good luck and enjoy!

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Ball Puzzle is an arcade puzzle and skill-based game for both little kids (in the early levels) and older kids (in the higher levels). Based on a simple idea and grid, this activity may prove a visually tricky brain teaser for some players. This online maze-style challenge requires good observation, careful analysis and strategy, and exercises your analytical thinking skills. Here, you have to carefully observe the playing grid in each level, and figure out the correct path that enables a small red ball to reach a green exit portal. The catch is that your rolling ball travels along the tiled grid either horizontally or vertically, and continues moving until it impacts with a blue block; you must use these blocks to your advantage. Can you find a solution to each level? Happy problem solving!

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Play an intense online game that exercises and tests your mental and physical attributes: Challenge Circle is a very hard, timing and reaction speed-based skill game where you must use really fast mouse-clicking action to navigate a constantly-moving green ball through a tricky obstacle course made of adjacent circles. Here, you must take great care not to get caught in the wrong side of a circle outline (border) or to collide with obstacles.

Excellent hand-eye coordination, good analytical thinking skills, strategy, and a cool head under pressure are essential skills required for success. Prepare to be tested to your limits in this unique maze-style puzzle challenge!

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Ready for an intricate and absorbing puzzle, and one of our favorite games to date? Loops of Zen 3 really is a mesmerizing and extremely challenging online tile-rotating brain teaser of 35 levels that will likely keep your eyes and mind intensely occupied for hours! Suitable for older kids, high school students and grownups with a love of problem solving, your role is to rotate and manipulate the various pieces (tiles) in the game zone until you have created a series of closed loops (in this case, meaning that all circular-ended pieces share a connection body with at least one other circular-ended piece). This top quality online puzzle (with relaxing lullaby-like music in the background) requires high observation and concentration levels, creative engineering skills, logical thinking, great patience and determination, and plenty of good-old trial and error in order to succeed.

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For physics-based game enthusiasts, and those of you who love to engineer a unique way to move stuff around from A to B! Assembler 3 is a straight-forward yet challenging online puzzler and highly interactive game for kids where you have to create pathways, drag and drop and stack blocks, build platforms, and manipulate the position of shapes in order to get a green colored block into a shaded-outline area in each level. You play the role of the clever "never say never Assembler", and in each level, you have to click and drag various wooden shapes around the game screen in order to ensure the green block (normally a square shape but sometimes circular or triangular) fits snugly into an often awkwardly-placed shaded area.

This addicting online mouse-clicking brainteaser requires good hand-eye coordination, logical problem-solving skills, creative engineering know-how, some appreciation for the effects of gravity on structures, strategic planning, and a plenty of trial and error!

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Play an interesting, interactive and surprisingly-challenging ball shooting-based puzzle game where you have to deflect, direct, bounce, ricochet, and in any other way possible carefully guide a set number of yellow balls into an awkwardly-positioned bucket in a series of 30 obstacle-filled levels (which initially might seem straight-forward but soon get tricky!). In The Bucket, you start each level with an unlimited supply of bouncy yellow cannonballs which are fired automatically from a pipe, and you must utilize various wooden objects and shapes so that a number of balls fall into the bucket (usually positioned in a tough-to-reach place).

This is a good game for both younger and older players who enjoy physics-based puzzles, and fun engineering-based problem solving games. Apply your brain power and observation skills to find ways to use the general contours of the level, the movable wooden components, the speed of the cannon shot, and the effect of gravity on the balls so that sufficient of the happy little balls get dunked into the bucket of water. To be successful in this stimulating and entertaining brain teaser, you must combine good strategy and concentration, accurate object placement, logical thinking, a steady mouse-moving hand, and plenty of trial and error. Enjoy helping the balls find their way to a good wash!

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Fun Da Vinci is a straight-forward, interactive physics-based puzzle game for both younger and older kids where you have to move and place objects in ideal positions so that cannonballs can be fired and directed into designated urns in each level. Set in the Renaissance period environment of the amazingly gifted Leonardo da Vinci, an innovative inventor, engineer, architect, mathematician, anatomist, painter, sculptor, musician, writer, and so much more.., you play the role of the inventive game changer here. Outlining your solutions to the physics and engineering-based problems on one of Leonardo’s legendary notebooks, you must impress your peers by designing a pathway (route), and strategically positioning various platforms, adjusting bridges, creating pathways, setting up blockades, and more so that the fired cannonballs reach their destination in the urns (fancy vases of the day).

The gameplay and graphics of this atmospheric brain teaser makes it feel like you are being immersed in a Renaissance drawing board. From the cracked parchment-style look of the play area, to the cool background noises mimicking a 15th century Italian city, this is one of the quirkiest puzzles you’re ever likely any time soon. As in all physics-based puzzle games, your observation skills, problem solving and strategic planning abilities, determination, stamina and patience are sternly exercised and tested. Be inspired by the true genius that was Leonardo Da Vinci (1452 – 1519) who even made detailed outlines of helicopter-like flying machines, tanks, and even robots in his spare time – hundreds of years before these machines were actually invented. Happy innovation!

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The goal of the Words Search is to find all the words hidden within the puzzle. Elementary school educators especially may find this fun, easy-to-play online puzzle game a helpful teaching aid to supplement a class on the geography of the Unites States, the positioning of each state on the map, and the spelling of each individual state name. Introduce a competitive edge by seeing who can finish the puzzle first, or simply use it as a relaxing educational enhancement activity! Basic knowledge of state names isn’t enough here though as players also need to exhibit good spelling and quick keyboard skills! From Maine to California, Arizona to Alaska, let’s see what you know!

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Arriba Amigo! Prepare to pit your problem-solving wits against a pulsating, physics-based puzzle game where careful observation, good decision-making, and expert timing are the order of the day! Amigo Pancho is a fun, Wild West-themed, mouse-clicking puzzle activity where you must use logical thinking and problem-solving skills to help ‘Pancho’ escape a deep canyon. The friendly-yet-hapless Mexican adventurer has tumbled to the bottom of a large chasm, and only has two helium-filled balloons and the law of gravity to his advantage. You play the role of the interactive ‘game changing engineer’, and must carefully and tactfully remove or alter the position of obstacles and dangerous objects so that Pancho can float "safely" to the top, and out of each level.

Any players expecting a leisurely float to freedom here are in for quite a surprise! Who would have thought that a natural rock landscape could contain so many bizarre balloon popping objects? Be prepared for spiky cacti, rock firing lizards, sharp pitchforks, barbed-wire fences, gnashing bats, and other treacherous obstacles that are out to pop Pancho’s balloons, and send him down to the abyss. Trial and error is extremely important as you try to figure out the optimum set of objects to remove or alter so that Pancho floats upward without hindrance. A tactful, subtle approach is the key to success here – and a shoot from the hip ‘gung-ho’ style of problem-solving is sure to end in poor Pancho remaining in the perilous canyon forever! Tread carefully! Happy problem busting!

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Roll up for a tricky, absorbing, head-scratching dice-based puzzle game based on a cunningly straight-forward concept! Endice is an addicting sliding-tile brain teaser challenge where you have to maneuver sets of sliding dice (classic board game-style die) into designated outline zones in each level. Moving the dice around the board is easy – but the catch is that you "must" move each dice a specific number of times (as indicated on the face of each cube), with each dice eventually coming to rest in one of the nominated outline areas. There are no fancy tricks, special moves, or extra bonuses here – just plain, old-fashioned problem solving!

Common sense and analytical-based thinking is the key to success alongside plenty of trial and error. This fun tile-based puzzler becomes increasingly difficult as you progress, and requires a measured ‘step-by-step’ approach. Strategic planning really comes into play, and to ensure success, you need to apply the mindset of a good chess player and think at least two or three moves ahead in advance. Younger players who are ‘cutting their teeth’ in problem solving activities online should enjoy the straight-forward gameplay, while more experienced players should hopefully appreciate the innovative modern twist on a very simple concept. It's time to exercise your brain and play the dice!

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