Creature Sweeper

Creature Sweeper is a free, open-source, browser-based Minesweeper variant where numbers represent sums of creature tiers, and players level up by defeating creatures. It features 35 game types with various board shapes and new rules such as walking creatures and spells. The game includes nine lessons, a hint system, and is highly customizable with themes and accessibility options. The source code is available on GitHub, and the game supports mouse, keyboard, and touch controls with progress saving.