Summit

Ledger Lock MATH

Ledger Lock is a daily number-logic puzzle. Toggle cells on the grid so every row and column adds up to its target sum — but no two selected cells can be adjacent. One unique solution each day, with streak tracking and shareable results.

Tally MATH

A daily number puzzle. Two tiles are marked; draw one path between them that adds up to the highest score. Some numbers are negative. 3 new puzzles every day (Easy, Medium and Hard).

Rotato MATH

A daily logic puzzle: order a scrambled number grid by tapping the center of any 2x2 block to rotate it (clockwise or counter-clockwise) until the whole grid is in order.

Sums MATH

Sums is a daily number-placement puzzle where the arithmetic is simple, but the spatial reasoning is the challenge. Hand-crafted puzzles, a daily leaderboard, and hints if you get stuck.

Knotilus MATH

Solve the daily puzzle by identifying three Fibonacci-like sequences connected by one shared number, using 10 of the given numbers.