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Rating: 7.5/10 - 107449 votes

Play free games that require thought, interesting logic-based puzzles that make you think outside the box, fun problem solving games and brain-teaser activities for elementary school, middle and high school students, as well as for adults & seniors to play now online.

Play hard physics-based games, interactive puzzle solving games, challenging thinking games that involve critical thinking, creative and/or analytical thinking skills. Find fun games for the school classroom or to play at home with your best friends and family members.

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Pick & Dig is a challenging and stimulating, logic-based, brain teaser puzzle game of 36 levels where you must very carefully guide Pedro the Pink through dangerous mines and a series of platform-based levels using tools such as pickaxes, shovels, ladders, and other mining equipment. Being a large, egg-shaped creature, Pedro cannot jump, so he needs to gain access to ledges and exit doors by knocking down obstacles with a pickaxe, digging through the ground using a shovel, and climbing via ladders.

Skills / strategy required: In this quirky problem-solving game, combine analytical thinking skills with creative engineering know-how as you work to figure out a solution that guides Pedro to the Exit Door in each level. A good strategy is to be patient and take your time – Try to logically and methodically break down what you need to do step by step in order to get Pedro where he needs to go. Trial and error (learning from your mistakes) is a very important element of this fun game.

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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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Play a hard, interactive, visual brain teaser puzzle, and exercise your analytical thinking skills, problem solving determination, and more! Exorbis 2 is a highly-stimulating, sliding tile-based, puzzle game for older kids, teens, college students and adults with a massive 100 levels. Here, you must use good spatial awareness skills, strategy and creative engineering ability to slide orbs onto color-coordinated ‘nodes’ in as few moves as possible. And, if all of that isn't sufficiently challenging, there's even a cool ‘editor’ mode where you can create your own levels!

Reasons to play this tough, online problem-solving game: Exorbis 2 provides a stern exercise and test of your cognitive and analytical thinking skills. The difficulty level increases sharply as you progress, making this a very rewarding examination of your puzzle busting credentials!

Your concentration and stamina levels must be sharp, and the willingness for trial and error is very important. Mostly there is only one solution to a level, so you need to learn from your mistakes, and exhaust all possibilities.

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Fun and challenging, multi-level connect the blocks puzzle game and brain-teaser to enjoy alone or to play with family and friends: Connect Me Factory is a tricky, visual and logic-based puzzler for both young children of elementary school age and Big Kids of all ages where you must move, drag, and/or rotate individual blocks until they ‘connect’ as one interlinking unit. Playable on mobile phone, tablet, notebook, laptop or desktop PC, you must attach the blocks to one another by matching and joining together the silver-colored ‘links’ that protrude from the sides of each block. Some blocks can be dragged around the play area, others are rotate-able, while certain blocks can be both moved and rotated to your desired position in the grid play zone.

Skills required: This online brain teaser game, based on a simple concept, requires sharp focus and analytical thinking skills, creative engineering skills, the imagination to see the big picture, problem-solving determination, strategy, and a willingness for good old trial and error are all important here. Note that there is only one correct solution in each level.

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Play a stimulating, online chess-based puzzle game with UNLIMITED levels where you must place your pieces onto safe squares on a chess board filled with attacking opponents! Chess Minefields is an innovative, interactive chess brain teaser game and strategy survival challenge where you never play the same level twice! Your task is to place white colored chess pieces onto a board that is littered with black pieces that are attacking most of the vacant squares! Playing against the clock, you must figure out which squares are ‘safe’ from opponent pressure, and quickly place your pieces there.

Skills required: This is a fun and fast-paced visual puzzle game where fast reactions, good hand-eye coordination skills, and sharp analytical thinking skills must all be applied at speed. Basic knowledge of how chess pieces move is also essential to your chances of sustained success. You must also use logic and show a willingness to use the ‘process of elimination’. Survey the board and quickly eliminate the squares ‘under attack’ from your consideration. This requires deep concentration, focus, and stamina!

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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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Black Knight Insurrection is a challenging and stimulating, chess-based puzzle game for kids, teens and adults where you must leap around a chessboard-style grid in search of a Gold Star – always using the same (famously versatile) chess piece – the Knight! Although the game is undoubtedly built around chess principles, you really only need to know the basic moves of key chess pieces to enjoy the logic and strategy-based problem-solving here! Your task in each of the increasingly-difficult 40 levels is to collect the Gold Star, but you often have to activate switches, leap over objects, capture other chess pieces, and generally plan out your moves in advance like a true chess Grandmaster!

Black Knight Insurrection is a Flash-based, chess-themed puzzle game for notebook, laptop and desktop PC / Mac (with certain browsers). Key Control Feature: The Knight always moves in a specific ‘L-shape’. In one motion, it moves two squares horizontally and one square vertically, or two squares vertically and one square horizontally. Using your computer mouse or touchpad, Left Click on the square you want your Knight to move to. 

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Use duplicate characters and expert platform jumping skills to help a little ball to escape 15 increasingly-difficult ledge-filled levels! Little Thing is a very challenging, platform-based skill game and problem-solving puzzler where you must help a lonely green ball to reach an Escape Portal in each tricky level. As well as avoiding dangerous pits and thorny spikes, you must occasionally ‘duplicate’ this little green ball, and use the resulting duplicates to your advantage for reaching higher ledges and other tasks.

Background info: ‘Little Thing’ is a rather lonely green ball character who has been stuck alone inside these difficult, confined levels. He needs your help to escape! Luckily, he has a special power that allows him to create clones of himself that can be used as stepping stones, blockages, etc.

Reasons to play this cool & ambient arcade game: If you like hard tasks, then this could definitely be described as a thinking person's game. Exercise and test your analytical thinking and strategy skills as you carefully and methodically find the solution that allows the ‘Little Thing’ (green ball) to escape each level.

Strategy to win: Good hand-eye coordination, sharp keyboard control and reaction speed are essential skills required to succeed here. On the mental side, you must have a very high concentration level at all times to work out when best to use the duplicate copies of your central character. Trial and error / learning from your mistakes is also really important. Call on your reserves of patience, stamina and determination to get the job done!

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A cool, interactive, visual puzzle of 96 levels for kids, teens and grownups to test and exercise your concentration levels, strategy and analytical thinking skills, tenacity in problem solving, and overall mental stamina - at home online or in the school classroom as a physics-based reinforcement activity.

Melty is a stimulating, gravity-based, multi-level puzzle game where you must strategically flip and rotate the game screen as well as move wooden blocks so that a block of ice (highlighted with an encased yellow star) comes into contact with a red-hot (fireball) block. In each level, you must figure out a way to free up and release the prize yellow star from its ice block by reaching a fireball block, and this can only be achieved through interacting with the game grid, and maneuvering the ice-imprisoned star around the free space.

There are no time limits, or move restrictions, or fancy power-ups. This visual brain-teaser activity simply requires patience, smart logic and strategy, as well as the ability to learn from your mistakes through lots of trial and error. Let's jump right in and flip this tricky puzzle on its head!

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Play a point and click puzzle game with a puppy-related twist! Pupzzle is a challenging and stimulating brain teaser and hidden object-based game for kids where you must click on objects and clues in the correct sequence in order to solve tricky puzzles involving a cute little puppy dog! Each scenario features a set of seemingly random objects. However, clicking on the objects in the correct order creates a chain of events that continues the fun storyline! This unusual online problem solving challenge provides an interesting test of your observation, concentration and logical thinking skills. Are you ready to unleash the determined sleuth inside of you? Happy puzzle busting!

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Escape maze-like underground mine levels using smart logic, strategy, and a hefty dose of dynamite! Shot Firer 2 is a challenging, platform-based, multi-level brain teaser puzzle where you must guide a brave gem-mining explorer through a series of baddie-filled, obstacle-strewn levels using a good fun mix of jumping skills, problem-solving, and the raw power of dynamite! Flip switches, eliminate bad guys, collect precious gems & hidden treasures, raise bridges, and more on this epic escape-the-level journey.

Skills required: This tricky, interactive, timing and reactions-based arcade platformer provides a stern test and exercise of your strategic planning ability as you figure out the best way to plot your course through each labyrinth-style level. Sharp logical and analytical thinking skills are essential to your success here, while swift reflexes, focus, concentration, and savvy keyboard control are also very important.

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Attention all Physics Whiz Kids – prepare for the ultimate test with Catch the Star 2 – the challenging physics-based puzzle game where you have to apply all of your knowledge of gravity and trajectory to catch all of the Stars on each level. Manipulate objects, strategically place blocks and create pathways to complete your mission of catching every gold Star! You only have a limited number of moves, so put on your creative engineering cap. This problem-solving game will help to improve your spatial awareness and hand eye co-ordination as you maneuver various objects to catch every Star in each level. Think you’ve got what it takes? Let’s reach for the Stars!

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Play a funny and addicting yet very challenging timing-based, problem-solving puzzler where you must help a rolling zombie character connect with a delicious piece of cheese with fast and tactful mouse clicking and good strategy: Zombies Love Cheese is a point-and-click, physics-based puzzle game where you play the role of a mad and determined scientist responsible for the bringing together of the roll-able zombie with its desired piece of cheese in 24 increasingly-difficult levels. Interact with and alter the confined mechanical levels by flipping switches, dropping blocks, raising ledges, and more!

Skills required: This tricky, timing-based, mouse-controlled brain teaser game requires good observation skills, sharp focus and concentration, analytical thinking skills, strategy, swift reactions, problem-solving determination, and the ability to learn from your initial experiments (trial and error). Good anticipation skills are key – you must be able to predict where and when to make your moves and alterations. Some actions must be done in a specific sequence in order to ensure your zombie reaches the piece of cheese.

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Snail Bob 2 is a fun and wacky, interactive adventure puzzle for kids & teens where you must use your observation skills, logic, creative engineering and strategy skills along with good timing to safely guide a friendly snail through a dangerous forest environment to his grandpa's birthday party.

In this stimulating, point-and-click problem solving activity (to play online at home or in the school classroom as a creative thinking reinforcement exercise), you must remove obstacles, create pathways, block enemies, build bridges, and more in order to see Bob safely through each level. Great patience, determination and plenty of old-school trial and error are all key to your and Bob's success. Bob may normally move along at a snail's pace but the challenges come thick and fast so be alert!

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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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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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Send a block home with smart block removals, shrewd strategic planning, and tactful mouse-clicking! Go Home Block 3 is a physics-based, problem-solving puzzle game for kids and teens where you must interact with the play area using your mouse, and cleverly remove obstacles in order to guide a hairy blue block to a wooden ‘Home / Exit Door’. Unfortunately, your block character cannot move of its own accord, and therefore needs your interaction skills to make its journey homeward. Featuring 20 increasingly-difficult levels, you must overcome a range of platform and ledge-based obstacles and hindrances in this ‘escape-the-level’ brain teaser challenge.

Skills required: Fast reaction and mouse-clicking skills are needed, with an emphasis on timing and pinpoint accuracy. Analytical thinking skills must be combined with focus, concentration, stamina, and determination. Some later levels require deep thought and strategy.

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Play an interesting, puzzle-based platform adventure game for older kids where you change between viewpoints in order to complete various jumping and ledge-based tasks. Vision By Proxy is a clever, brain stimulating problem-solving game where you play the role of a lost, one-eyed alien who must use the ‘vision’ of different people on Earth to find the missing part to his spaceship. Your alien hero's eye is too sensitive for the earth's atmosphere so he urgently needs to enlist the help of some humans, and substitute human vision temporarily for his own in order to navigate through each level. This really is a teamwork-style challenge where you must toggle between the different visions – and use the diverse attributes and features of each viewpoint to your advantage.

Skills required: In this tricky, atmospheric and thought-provoking platformer, your problem-solving skills are regularly tested in each level. You must use a combination of analytical and logical thinking to methodically figure out the best way to advance your alien through the level, and collect the parts needed to repair his spaceship. Fast reactions and smart keyboard control skills are also important where you have to swiftly jump from ledge to ledge, and maneuver the alien around the constantly-changing terrain.

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Water Drops Waterway is a hard reaction-speed, timing and skill-based brainteaser puzzle game for older kids, teens and grownups that requires high concentration levels, very sharp hand and eye coordination and great patience. This highly interactive problem solving activity will really test your determination and perseverance.

Your role as skilled problem solver is to carefully channel a given percentage of moving water drops through the play zone toward a static pond (their required destination at the bottom or to one side of play zone). Through your expert use of super-fast mouse clicking skills, quick obstacle removal, good strategic planning and decision making, you must guide the droplets from one area of the game screen to the other. However, this is certainly no mean feat as you must contend with flame-throwing machinery, awkwardly-positioned obstacles, and other tricky hindrances along the way.

This stimulating and unusual problem solving exercise should prove a good, fun test for anyone who enjoys interactive and dynamic puzzle games, physics-based brain teasers, engineering and leadership challenges. There's an old saying that “timing is everything in life” and that mindset is very apt here. Let’s see how your timing, determination and perseverance skills match up!

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Play a charming visual puzzle game: In Let Me Grow, you must remove and place wooden blocks in order to control the flow of water so that thirsty flowers can recover and bloom! This is a fun, engineering-based, problem-solving brain teaser for kids where you must clear pathways and create blockades on grid-based play areas in order to ensure that water reaches the daisies while avoiding contact with little village gnome characters. In Let Me Grow, you play the role of Chief Water Flow Engineer, and must use smart logic and strategy to control large bodies of water.

Reasons to play: For mobile phone, tablet, notebook, laptop or desktop PC, this entertaining brain teaser game is a good exercise of your problem-solving and analytical thinking skills. Utilize good concentration, planning and strategy skills as you work to ensure that the daisies receive irrigation while the little villager characters are simultaneously kept dry.

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