Space Sudoku Missions
Select a mission, solve the grid, and push deeper into the cosmos. Your progress stays on this device.
Mission Control
Mission suspended
The clock is stopped and your grid is hidden.
Mission complete
A new best time has been recorded.
Flight manual
Every row, column, and 3×3 sector must contain 1–9 exactly once.
Mark possible numbers in uncertain cells, then eliminate them as you solve.
Too many incorrect entries end the mission. Hints can reveal a safe move.
Use arrows, 1–9, Backspace, N for notes, H for hint, and P to pause.
Flight systems
Mission record
Mission rankings
Only completed, server-verified missions can enter the rankings.