Online Contest Games, Fun math games & puzzles| Cariboutests

Browse the Contest Games, Fun math games & puzzles

2048 Combine tiles in this number-matching to reach the 2048 tile.	Calcrostic A crossword-style cryptology game that challenges a student's number sense, logic, and computation skills. From grade 3 level to superhuman difficulty.
Chess This classic improves fluid intelligence, requiring planning, pattern-recognition, and concentration.	Chomp Don't eat the poison candy! You need to think ahead and learn patterns of losing positions to be victorious in this two-player strategy game.
Floodfill Colour within the lines to fill the map in as few colours as possible with this test of spatial reasoning. Based on the first theorem to be proven by a computer!	GeomeTree Interactive geometry-learning modules in a tree of knowledge where each skill builds upon the last. Full access available for purchase in the online shop.
Hackenbush Plan your moves wisely to stick it to your opponent in this strategy game. The best introduction to combinatorial game theory.	iChomp You've mastered Chomp, but can you win four games at the same time?! Try isotropic Chomp in this impartial combinatorial game.
Induction Build proofs by induction interactively and step-by-step. Our automatic proof-verification system will check it for you!	Packing Where spatial reasoning meets creativity! Your mission: fit all the different shapes into a larger container.
Sliding Blocks Help the yellow block escape by carefully planning sequences of moves. From super simple to brain-busting challenges.	Sokoban Move the boxes onto the dots in this test of planning, patterns, and spatial reasoning. If the hard puzzles seem impossible, check the solution!
Spider Web Help the spider spin its web by tracing the pattern given, but be careful: each line can only be travelled along once. Try not to get tangled!	Tangram You'll need to think creatively to recreate the forms from the coloured shapes in this ancient puzzle enjoyed around the world.
Turtle Walk Coding game for all ages where students write an algorithm by stacking blocks of code.	Unknotting Don't go tying yourself into knots to unravel this puzzle! A one-of-a-kind interactive introduction to Knot Theory.
尼姆 Don't take the last matchstick! Try this ancient mathematical game of strategy which is a good introduction for puzzlers of all ages to the principles shared by all combinatorial games.	幻方 Learn tricks to quickly solve this classic math brainteaser fair and square. Or dive deeper to the underlying mathematical principles.
彩色结 Did you ever wonder how to identify a mathematical knot from one of its infinitely many drawings? Colouring the drawing is a first step.	扫雷 Minesweeper game where students must apply logic and recognize patterns to survive.
摩天大楼 Solve the positions of skyscrapers and you'll be building your spatial reasoning and logic in this fun brainteaser.	水果沙拉 Visual logic game that utilizes a student's visual-spatial reasoning and memory of patterns of blinds.
汉诺塔 Move the tower of disks to another post to solve this logic-based puzzle.	灯光 Who turned on the lights? You will, if you can find patterns and plan your moves strategically.
点 Claim the most squares for your colour to win this strategy game.	珠玑妙算 Put your logic skills to the test to break the code in this classic puzzle.
的数独游戏 Place the digits in this classic logic-based, combinatorial puzzle game. From 4 × 4 to 20 × 20!	迷宫 When you learn the properties of these puzzles, you'll be aMAZEd at how quickly you can solve them!

Calcrostic^© of the Day

今天的Calcrostic Puzzle

ab ×  b = cde
 - ×  × /   +
fg ×  e = bhd
 = =  = =   =
gc × gh = jah

这是什么？ | 怎么解决？

昨天的解法

 3 × 64 = 192
 + ×  / /   -
 9 × 16 = 144
 = =  = =   =
12 ×  4 =  48

Total number of plays of all games: 16,562,538

Browse the Contest Games, Fun math games & puzzles

2048

Calcrostic

Chess

Chomp

Floodfill

GeomeTree

Hackenbush

iChomp

Induction

Packing

Sliding Blocks

Sokoban

Spider Web

Tangram

Turtle Walk

Unknotting

尼姆

幻方

彩色结

扫雷

摩天大楼

水果沙拉

汉诺塔

灯光

点

珠玑妙算

的数独游戏

迷宫

Calcrostic© of the Day

今天的Calcrostic Puzzle

昨天的解法

Calcrostic^© of the Day