Demonic Mahjong offers a unique approach to card strategy through the mechanics of mahjong. The player interacts with a set of tiles that require careful selection and planning to create effective sequences. The project is built on the management of limited resources, where each action affects the development of the current playthrough. To achieve results, it is important to be able to see patterns and predict the consequences of laying out tiles.

Demonic Mahjong fuses mahjong tile-matching mechanics with a roguelike structure. Players must use tiles from their hand to create combinations that follow set scoring rules. However, the main goal goes beyond simply accumulating points. The ultimate goal is to build a hand and strategy to defeat the main boss, making each run a preparation for the final battle.