Solve puzzles.
Move matchsticks.
Train your brain.

525 hand-crafted equation puzzles. How many can you fix?

Daily Challenge

Fix: 2 + 0 = 4

hard equation

A new puzzle every day. Solve it to keep your streak alive.

Easy, medium, and hard equation puzzles to work through at your own pace.

Solve the daily puzzle to build your streak and climb the leaderboard.

Create a free account to save your solves and see how you rank.

Explore all 525 puzzles by difficulty. Pick one and start solving.

See who has solved the most puzzles and who holds the longest daily streak.

Create a free account to save your solves, build streaks, and compete on the leaderboard.