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.