All games
Puzzle · 1–4 players
Sudoku Battle
Race your friends to solve the same Sudoku puzzle.
Everyone gets one shared, uniquely solvable board. Fill cells, avoid mistakes, and finish before the others. Play solo with a Rally bot or invite up to three friends.
1–4 players 10-minute races
Same puzzle
One server-generated board for the whole room — fair race, unique solution.
Private boards
Opponents see progress only, never your exact numbers.
Solo ready
Jump in alone or tap Play Solo to race with a Rally bot.