Sudoku Bactron

Sudoku Bactron is a number-placement puzzle with standard Sudoku, Random Mode, Adventure Mode and mini-game challenges. You can create custom puzzles in the built-in editor, which checks them in real time to ensure each has exactly one solution. The game supports 4x4, 6x6 and 9x9 grids.

Game modes

Random Mode offers randomly generated grids. Adventure Mode takes you through 18 designed levels with time-limited challenges, where you earn XP and level up. The separate 4x4 Mini Adventure adds collection, challenges and stage progression, with its own global leaderboard.

Create and share puzzles

The level editor lets you generate puzzles with one click and verify that each has a unique solution. You can share levels and replays through the Steam Workshop, where players can exchange their creations and solving strategies. Mods can replace backgrounds, grid cells and music, and can also provide expansion level packs.

Solve and review

Puzzles are checked using real-time local computation to ensure they have one valid solution. On 9x9 boards, Snapshot gives you a personal draft branch to work through the puzzle step by step. On classic 9x9 and 6x6 boards, Info & Deduction guides you through deductions and solving techniques. A five-chapter interactive tutorial covers the basic rules and advanced features.

Each game is automatically recorded as a .dem replay. The replay player lets you play, pause, fast-forward, rewind and review moves step by step; you can also upload replays to the Workshop.