The benefit of each game (with scientific sources) and how to play it
MentalMath has more than 60 science-based brain games — each one develops memory, attention, logic or spatial thinking. They are all free, need no registration and work on phone and computer. Pick a game below and read about its benefit and rules.
Memorize chains of digits and expand your working memory. A free online memory game and brain training for kids. Start playing now!
Remember the digits hidden in the grid and train spatial working memory. A free online brain workout for kids. Give it a try right now!
Watch and repeat the growing sequence of colors and sounds. A free online memory game and brain training for kids. Test your sequence memory now!
Recall the item from N steps back — the science-backed N-Back working memory exercise. A free online brain workout for kids. Start training now!
Memorize a number that flashes for just one second and sharpen your fast recall. A free online brain workout for kids. Try it right now!
Catch and remember a number that flashes by in an instant. A free online brain workout for kids that trains attention and fast memory. Play now!
Remember the numbers that flash by and add up their sum. A free online exercise for kids that trains memory and mental math together. Start now!
Flip the cards and find the matching pairs. A free online memory game and brain training for kids that boosts visual memory. Play right now!
Track position and sound channels at the same time — the scientific Dual N-Back mode. A free online brain workout for kids. Test your focus!
Remember the words and tell whether you have seen them before. A free online brain workout for kids that trains verbal memory. Try it now!
By ear alone — does the sound match the one N steps back? A free online auditory working memory workout for kids. Test your hearing now!
Memorize the lit-up path and repeat it in the exact same order. A free online brain workout for kids that builds spatial memory. Play now!
Tap the blocks in the same order they lit up — the classic Corsi test. A free online spatial memory workout for kids. Give it a try now!
Solve the equations and remember the letters in between, in order — the OSPAN working memory task. A free online brain workout for kids. Start now!
Task Switching is an attention game that trains quick switching between rules. A free online brain training exercise for kids to build focus and cognitive flexibility. Try it now!
Schulte Grid is an attention game: find numbers 1-25 in order as fast as you can. A free online brain training exercise for kids that boosts peripheral vision and concentration.
Stroop Test is an attention game: pick the INK color, not the word meaning. A free online brain training exercise for kids that sharpens focus and impulse control.
Go / No-Go is a reaction and impulse control test: tap on the go signal, hold back on the no-go. A free online brain training game for kids to build attention and self-control.
Color Count is an attention game: quickly count items of a specific color among others. A free online brain training exercise for kids that builds focus and visual attention.
Which is more? is an attention game: at a glance, find the group with more elements. A free online brain training exercise for kids that sharpens quick perception and focus.
Odd One Out is an attention game: quickly find the element that differs from the others. A free online brain training exercise for kids that hones focus and visual perception.
Divided Attention is an attention game: watch two channels at once. A free online brain training exercise for kids that develops parallel attention and concentration. Give it a try!
Meteorites is a reaction game: hit only the right kind of numbers and let the rest pass. A free online brain training game for kids to build attention and reaction speed.
Numeric Stroop is an attention game: pick the greater VALUE and don't be fooled by size. A free online brain training exercise for kids that builds focus and impulse control.
Reverse Arrows is an attention game: blue means tap the way it points, red means the opposite. A free online brain training exercise for kids that sharpens focus and reaction.
Fish Attack (Flanker) is an attention game: press the way ONLY the middle fish is facing and ignore the flanking ones. A free online brain training exercise for kids to focus.
Simon Effect is an attention game: respond to the circle's COLOR and don't be fooled by its position. A free online brain training exercise for kids to build focus and impulse control.
Rule Switcher is an attention game: the rule changes and you must reboot your brain fast. A free online brain training exercise for kids that builds focus and cognitive flexibility.
Inner Stopwatch is an attention game: sense when the train exits the tunnel without seeing it. A free online brain training exercise for kids that builds time sense and concentration.
Find the missing number in the equation! A free online logic game for kids that trains thinking and number sense. Start playing now.
Spot the rule and pick the next element of the pattern! A free online puzzle for kids that builds logic and pattern thinking. Play now.
Spot the rule and find the next number in the sequence! A free online logic puzzle for kids that sharpens reasoning and number thinking. Try it now.
In the 3×3 magic square every row and diagonal sums equal — find the missing number! A free online puzzle for kids. Put your logic to the test.
What does X equal in the equation? A free online logic game for kids that trains algebraic thinking and reasoning. Solve it right now.
Crack the hidden colour code with logic! A free online puzzle for kids that builds deductive reasoning and thinking. How few guesses will you need?
Use +, −, ×, ÷ on 4 numbers to make 24! A free online puzzle for kids that trains logic and quick mental math together. Find the solution.
Find the missing number to balance the scale! A free online puzzle for kids that teaches equality and logical thinking. Give it a try now.
Send the correct falling equation right and the wrong one left! A free online game for kids that trains fast logic and attention. Test your quick thinking.
Spot the pattern in the 3×3 grid and pick the missing shape! A free online logic puzzle for kids that builds abstract thinking and IQ. Try it now.
Discover the hidden rule — but watch out, it keeps changing! A free online puzzle for kids that trains flexible thinking and logic. Figure out the rule.
Fill the cells using number clues and reveal the hidden picture! A free online puzzle for kids that trains logic and attention. Start solving now.
Push the boxes onto the targets — plan every move ahead! A free online logic game for kids that builds planning and spatial thinking. Give it a try.
Mental Rotation — rotate the shape in your mind and pick the correct match. A visual game that builds spatial perception in kids. Play free online and sharpen your mind!
Lights Out — tap the tiles to switch off every light. A visual puzzle that trains spatial perception and logic in kids. Play free online and challenge your brain!
Mini Sudoku — fill a 4×4 or 6×6 grid with no repeats. A visual puzzle that builds perception, attention and logic in kids. Play free online and train your brain!
Eagle Eye — keep your gaze on the centre and catch the symbol that flashes at the edge. A visual game that sharpens peripheral vision and perception in kids. Play free online!
Shell Game — follow the ball and guess which cup hides it after the shuffle. A visual game that trains attention and perception in kids. Play free online and test your focus!
Mirror — draw the symmetrical reflection of a pattern on the grid. A visual game that builds symmetry, spatial perception and imagination in kids. Play free online!
Paper Folding — imagine where the holes will land when a folded, punched sheet is unfolded. A visual game that builds spatial perception in kids. Play free online!
Block Counting — work out how many cubes are in a 3D build, including the hidden ones. A visual game that develops spatial perception in kids. Play free online!
2048 — merge matching tiles and reach 2048. A free online strategy and puzzle game for kids that trains planning and number sense. Start playing now!
Tower of Hanoi — move every disk to another tower, never a larger one on a smaller. A free online strategy and planning game for kids that builds logic.
15-Puzzle — slide the tiles and arrange the numbers in order. A free online puzzle and strategy game for kids that sharpens planning and spatial thinking.
Zip Game — connect the dots in order with one continuous path. A free online puzzle and strategy game for kids that trains route planning and logic.
Quoridor — place walls, block the robot and reach the far side first. A free online strategy game for kids that builds tactics and forward planning.
Pentago — place a marble, rotate a quarter of the board and line up 5 in a row first. A free online strategy game for kids that trains tactics.
Reversi — place a disc, surround your rival's pieces and flip them to your color; most discs wins. A free online strategy game for kids built on tactics.
Connect Four — drop a disc and be first to line up 4 in a row. A free online strategy game for kids that trains tactics and planning ahead. Play now!
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