Overture is an action-adventure roguelike that takes inspiration from games including Diablo, Realm of the Mad God, Zelda, and The Binding of Isaac. Its core premise is to explore vast, randomly generated dungeons while fighting through hordes of enemies. The chiptune soundtrack gives this dungeon-crawling adventure a distinct musical frame.
Character choice and combat progression are central to the design: players can choose among twenty-four classes, find companions to fight alongside them, and upgrade their characters. Exploration also feeds a loot hunt, with weapons and other rewards to collect, while the game highlights challenging bosses and intense encounters. Randomly generated environments give those systems room to meet in changing dungeon layouts rather than a single fixed route.
Overture is listed as single-player, so its dungeon exploration and character-building are framed as an individual experience, not a shared multiplayer session.