Sums

Sumrex MATH

A logic placement puzzle where you place one rex per row, column, and colour region, none touching, so the digits beneath all six add up to today's target. One solution, no guessing required.

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.

Mathle MATH

You have to find a simple addition or subtraction in less than 5 tries. Each guess must be a valid equation. Use a smart strategy and share the result.

Nerdle MATH

A game for math lovers! Guess the target calculation using numbers and operators +, -, *, /. Every guess must compute.

Sudoku MATH

Classic daily 9x9 Sudoku with four fresh difficulties every day, a notes mode, instant conflict highlighting, and per-difficulty timing.