Sudoku Bactron

Sudoku Bactron is a logical number-placement puzzle developed by Bactron that redefines the classic Sudoku experience. Beyond standard gameplay, it features Random Mode​ and an engaging Adventure Mode. Unleash your creativity with the built-in level editor, allowing you to design custom puzzles while the system validates them in real-time to ensure every challenge has a single, unique solution.

Features

• Replay Recording & Sharing: Every game is automatically recorded as a replay file (.dem), capturing every move you make. The built-in replay player supports play, pause, fast-forward, rewind, and step-by-step review. You can also upload your best replays to the Steam Workshop and showcase your solving strategies.

• Unique-Solution Algorithm: Powered by real-time local computation, every puzzle is guaranteed to have one and only one valid solution, delivering a pure logical challenge.

• Adventure Mode: Break free from endless random grids. Take on 18 carefully crafted adventure levels with time-limited challenges, earn XP, and level up in a progressive Sudoku journey.

• Full-Featured Level Editor & Workshop: Design your own exclusive puzzles with one-click generation and unique-solution verification. Upload both levels and replays to the Steam Workshop to share and exchange with players worldwide.

• Multiple Grid Sizes & Full Control: Supports 4x4, 6x6, and 9x9 grid sizes, from beginner to master. Full keyboard (WASD/numpad) and gamepad support, adapting to any play style.

• Full Steam Integration: Steam Cloud save syncs your progress, 11 achievements mark your milestones, and the Workshop lets you share your creations.

• Interactive Tutorial: A five-chapter step-by-step tutorial covering everything from basic rules to advanced features, helping newcomers get up to speed quickly.

Mod Support

The game features Mod loading, allowing you to replace the game's backgrounds, grid cells, and music. Mods can also serve as expansion level packs.