KenKen
Fill every cell so each row/column has every number exactly once, like Sudoku. Each bold-outlined cage must also satisfy its arithmetic clue.
Best time: —
About this game
Click a cell to cycle through 1 to N, then empty. Every row/column needs each number exactly once. Filled cages must combine via their operation to reach the target.
Boards
Each board was independently re-solved to confirm it has exactly one valid solution. Your best time per board is saved locally.