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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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Test your thinking speed, lexicon and spelling skills against the clock in this fun and educational word-forming puzzle & brainteaser game! Playable on mobile phone, tablet, laptop, notebook and desktop PC, Word Candy is a challenging and enjoyable word scramble quiz game for kids, teens and grownups where you must form valid, recognized words of three or more letters from a set of 6 jumbled up letters against the clock. Each level has a target number of words that you must create before the 2.5 minute clock runs out!

This online, HTML5-based, anagram / word puzzle game should work on iOS and Android devices as well as most web browsers for PC / Mac. This could be a good exercise for improving your analytical thinking skills, spelling, and general vocabulary as you must methodically and creatively form quick-fire words from the 6 base letters at the bottom of the play area. While the linguistic and analytical sides of the game are important, a sense of urgency and quick reactions also come into play as you must try to beat the countdown. 

Tip: Look at the candy pictures at the top of the play area – each candy sweet represents a possible word that you could make from the available letters below. Clue: The number of colors in each candy corresponds to how many letters are in the hidden word!

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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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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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Use ‘stopping blocks’ to control the momentum of a rolling ball, and slide it into an exit portal: Road Blocks is a very challenging, maze-based visual puzzle and problem-solving brainteaser game where you must guide a white ball to a red exit portal (like a goal) in multiple, increasingly-difficult levels. The catch is that your rolling white ball can only move horizontally or vertically around the confined grid, and can only stop by impacting with a wall or other object (manually stopping the ball is impossible!).

Reasons to play this multi-level, brain teaser puzzle: Although the game has a simple concept (move a ball around a maze toward the exit), there are number of very tricky elements to it that should prove testing for even the most seasoned visual puzzle aficionados. Each level plays as an interesting problem-solving challenge where you must carefully observe the playing field, and all levels are a stern test of your ability to figure out the correct path to the exit.

Skills needed to win: The willingness for lots of trial and error is a very important part of this game – You almost certainly won't complete each level on the first attempt. Analytical thinking skills and a well-planned strategy are called on as you visualize (predict) the ideal path to the exit portal for your rolling ball. A cool head, determination and stamina also play a major part in your success.

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Play a cute maze game, and enjoy helping a little mole to collect his delicious treats! A hungry mole needs to munch up all of the food available above ground but must be really careful not to retrace his steps! Mole: The First Hunting is a fun and challenging, interactive, maze-based puzzle game for kids & teens where you must guide a "cute" mole around a grid of tiles, collecting all of the vegetables on offer as you go, and then escape back underground to safety via an Exit hole. The catch here is that you can only use each square on the grid once – retracing your steps is not permitted!

This tricky, visual brain-teaser & fun problem-solving activity requires good concentration and analytical thinking skills, well-planned strategy, and the determination to succeed. There's no time limit, so patience is also important as you take your time to carefully figure out the ideal solution (There may be more than one solution to a level). Happy vegetable munching!

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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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Omit Orange is a fun, physics and logic-based puzzle game where you must carefully remove all of the orange blocks from the play area in 25 increasingly-difficult levels. Playable on Android mobile devices, laptops, and desktop PC, you must strategically remove all orange items while simultaneously protecting any green blocks from falling off of the game screen. Sometimes, orange blocks can simply be clicked or tapped into oblivion – but often you must remove other excess obstacles in sequence (and with good timing) in order to successfully eliminate all orange blocks from the play area!

This HTML5-based, physics-oriented brain teaser game should work on Android mobile devices as well as most web browsers for PC / Mac. Skills required include good sharp analytical thinking and problem solving skills, strategy, as well as the ability to figure out a logical solution which eliminates all orange blocks and saves green blocks from the same fate. A willingness for trial and error is also important in later levels when you are faced with more stubborn orange blocks – such as the sunglasses-wearing blocks who cannot be eliminated by clicking or tapping alone! 

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Play one of the most phenomenally popular word scramble puzzles of all time on your mobile phone, tablet, notebook, laptop, or desktop PC! 4 Pics 1 Word Online is a highly-stimulating, multi-level and head-scratching, scrambled brain teaser game inspired by the legendary app where you are shown four pictures that are linked by one word (which you must then guess from the set of jumbled up letters at the bottom of the play area). Play on your own, or enlist the help of other puzzle activity enthusiasts in your family, classroom, or group of friends! See how far you can climb up the famous 4 Pics 1 Word scoreboard – each completed puzzle moves you to the next level.

Game Concept: Each level follows the same format - You are shown four completely different images, and must figure out the single word that links all four pictures. The scrambled letters of this word are displayed at the bottom of the game screen. The catch here is that there are also some trick letters in the set that are NOT part of your target word.

Example Level: For example, the four pictures might be: 1) Railroad tracks, 2) A person in a gym, 3) A teacher with a student, 4) A boy talking sternly to his dog. The answer that links all four pictures: TRAIN!
 
This online, HTML5-based, picture-based, word scramble game should work on iOS and Android devices as well as most web browsers for PC / Mac. Skills required include good analytical thinking and cognitive thinking skills, logic, a decent vocabulary range, and simple spelling skills (The level is only completed once you type in the target word spelled 100% correctly). High levels of concentration and patience are also very important. Ask for help from a best friend or family member if you get stuck on a word! You may even want to turn the game into a multiplayer activity! 

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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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Divide is an easy-to-play yet highly-stimulating, geometry-themed puzzle game where you must ‘divide’ a large wooden shape in order to form a target number of smaller pieces. The catch is that you have only allowed a set number of slicing actions to create a set number of independent wooden pieces, so you must be extremely precise with your shape-dividing skills. This head-scratching, problem-solving puzzle requires imagination, good analytical thinking skills and strategy. Accurate mouse control skills are also very important.

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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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Interact with the game environment in order to guide a slice of delicious salami into the paws of a hungry cat in this fun, physics-based puzzle game! Cat Around The World: Alpine Lakes is a multi-level brain teaser where you must remove obstacles and alter the play area in order to roll a piece of salami toward a motionless cat! Playable on mobile phone, tablet, notebook, laptop and desktop PC, this is a challenge where feeding a kitty cat is no certainly mean feat!

Skills required: This stimulating gravity-based puzzler requires sharp analytical thinking skills, hand-eye coordination, fast reactions, observation skills, and dogged determination. Smart decision making and problem-solving know how are key as you attempt to figure out the correct obstacle-removing sequence in each level. Trial and error is also important – You must learn from failed attempts, and adjust your strategy accordingly!

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How good are your ball control skills? Use deft touches, reaction skills and expert mouse control to guide a bouncing, ricocheting ball into a bucket in dozens of copybook-style, obstacle-filled levels. The Circular Blot is a fun and challenging, interactive, multi-level, mouse-based skill game and physics-based strategy puzzler. Using a tethered ‘blot’ attached to your mouse cursor, you must carefully and creatively deflect a falling paper ball into an open bucket.

Reasons to play this tricky online arcade game: This is a hard problem-solving brain teaser puzzle where you must figure out the best way to use gravity to your advantage. Showcase your skillful hand-eye coordination, fast reactions and reflexes in a high-intensity, motor skills testing environment. While the concept and copybook-style graphics may be simple, the execution and difficulty level of each level is very high!

Strategy to win: Each level has numerous solutions, and you must try to use the most efficient solution to get the ball into the bucket. Trial and error (learning from your mistakes) and great determination are also very important – Surely only a ball control wizard could complete each level on the first attempt!

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Utilize the effects of gravity, and strategically transform blocks in order to rid the game screen of all purple characters! Playable on Android and iOS mobile phone, tablet, laptop, notebook and desktop PC, Transforming Blockies is a fun, physics, gravity and timing-based puzzle (for elementary school age kids, middle & high school students) where you must use the special transformative power of each shape character to logically alter the game environment in order to eliminate all purple shapes from the platform-based levels. Some colored shapes change from round to block-like and vice versa, while others double in size when you click or tap on them. You must cleverly use these transformation actions to your advantage in each of the 40 increasingly-difficult levels. Remember: Eliminating the purple characters is your goal, and if you accidentally get rid of other colors, you fail the level!

This online, multi-level, HTML5-based, physics-based engineering puzzle game should work on iOS and Android devices as well as most web browsers for PC / Mac. To play the game with full screen, you may have to turn your device horizontally. Skills required include fast and tactful reactions as some levels require multiple transformations in quick succession. An appreciation for the effects of physics is also needed as you must use gravity to get shapes moving in many cases. Good old trial and error determination, common-sense logic, sharp analytical thinking, and creative engineering skills also come into play as you attempt to alter the game environment successfully in all 40 levels. 

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Play a challenging visual puzzle and color coordination game: Collect all the colors of the ‘prism’ by combining same-colored blocks together in this sliding tile-based puzzle game inspired by the phenomenally-popular game 2048! Prism is an addicting, online brain teaser game where you must merge matching tiles together to unlock new colors – with the ultimate goal of finding the elusive, final Purple tile. Playable on most mobile phone, tablet, notebook, laptop and desktop browsers, you must methodically slide the tiles around the 4X4 grid, ‘doubling-up’ the colors and scoring points along the way.

Reasons to play this tricky problem-solving game: Fans of 2048 (the sliding-tile number game that has been played by millions of gamers since its launch in 2014) should enjoy this quirky twist on the familiar gameplay. Test and exercise your analytical thinking skills, focus, concentration, and problem busting determination.

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Strikey's Revenge is a challenging, "street golf"-themed, physics-based puzzle game where you must shoot a golf ball into a waste basket in a series of 18 progressively-difficult, obstacle-filled levels (which play like a wacky game of mini golf combined with the intricate science of power, angle, and trajectory!). You play the role of Strikey, a fiery golfing prodigy, and must use his incredible skills and aiming devices to figure out the best way to engineer a solution that deflects the ball into the urban waste basket (bin) in each tricky level.

Skills required in this multilevel golf, aiming and accuracy game: Creative engineering and analytical thinking skills are very important in this environment – There are multiple ways to get the ball into the basket depending on the angle and power used in your shots. Trial and error is also part of a smart strategy as you test out how the ball reacts against the various obstacles and unusual objects in each level. Good observation skills, a steady hand, a cool head under pressure, and expert mouse control all play a part in your chances of success.

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Get ready for a mind-melting, head-scratching, time-traveling adventure that will get you thinking from back to front! Timebot is a fun and unusual robot puzzle game for older kids and teens where you have to unlock doors, and escape each level by sending duplicate versions of your own little drone robot back in time to perform various tasks! You have to strategically plot your route through each level by replicating your robot’s movements using identical, regenerated versions of itself!

This futuristic brain-teaser is a true test of your problem solving skills, as you have to figure out a cyclical solution that will help your drone robot complete each challenging level. Good strategy planning, time management, quick reactions and fast fingers are called into play, as you have to maneuver your original robot to the exit before time runs out. Thinking logically and methodically when under pressure is the key, but remember - your timing has to be perfect. Happy duplicating!

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Fly Tangle 2 is a highly-challenging, surprisingly-addicting, skill-based, visual problem solving puzzle game for kids, teens and adults where you must untangle a group of large flies which have criss-crossed their lines (wires) across the game screen. Think of the tricky task of untangling the old-style wires of Christmas tree lights and other electrical appliances, and you should hopefully get a better idea of the complex and inconvenient yet fun problem at hand.

As Chief Untangler, you must carefully drag the flies within the play area, methodically freeing up their criss-crossed lines, in order to progress. This unusual and highly interactive brain teaser requires a high concentration level, sharp visual skills, and great patience and tenacity. So keep trying – and those tangled wires should eventually be freed up! Oh, and one more thing: There are a massive 48 levels to get your mind into! Happy untangling!

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Play an addicting and challenging brain-teaser, disc swapping and matching-based puzzle game online! Bunch is a stimulating, interactive, multilevel, visual puzzle game for kids and teens that combines color coordination skills, observation skills and problem solving determination. With two distinct game modes, you must swap colored discs around a confined game grid, creating as many matches of three or more discs as you can.

Reasons to play this challenging brain-teaser game: Fans of classic match-3 games such as Candy Crush should enjoy the simple action here. Test and exercise your reactions and reflexes against the clock in classic mode, or give your analytical thinking skills a more thorough examination in Puzzle mode.

Read the introductory instructions to the mode you play. Depending on the mode, you might have to be more aggressive and quick in your swapping and matching. You need to focus hard on the environment, searching for possible swaps and matches. This game requires great stamina and determination to progress high into the levels.

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For elementary school age kids through high school teens and fun puzzle-loving adults! Get your analytical thinking skills in tune and fill a container with exactly 6 liters of water to help solve a tricky puzzle that will enable your alien friend Golo to escape a cave. Golo is trapped by a large metal gate and can only escape when you place a container filled with 6 liters of water onto a special scale! The catch in Golo in the Cave is that the only containers available to you are 7-liter and 5-liter pitchers, and each time you use the nearby well to add water, it fills the either container to the very top! However, you can pour water from one container to the other, and empty the containers whenever you like. Through a combined method of math-based logic and water transfer, you must figure out the best way to end up with exactly 6 liters of water in the 7-liter jug!

Skills Required: Fans of interactive, visual and logic-based math puzzles should enjoy this stimulating, one-level brain teaser game. Golo in the Cave requires sharp analytical thinking and problem-solving skills, common sense reasoning and strategy, determination and stamina to get the puzzle solved!

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