Solve Sudoku to grow towers, then defend the board. Your answers shape the enemy route. Stack loot on your towers, upgrade whole numbers, and risk an illegal move when a wave gets through. A puzzle and tower defense roguelite built around one changing grid.
Sudoku, beautifully set. 200 puzzles across four difficulty levels - Easy, Medium, Hard and Supreme. Every puzzle has one unique solution, with difficulty shaped by the logic it takes to solve it.
A Sudoku trainer that shows its working. Every hint walks through the argument step by step across 25+ techniques, with SE-compatible difficulty ratings and real Snyder notation built in — a first on Steam. Thousands of hand-tested puzzles from Novice to Master.