Two popular indie game genres are Metroidvanias and Roguelikes. Metroidvanias emphasize exploration in large, interconnected worlds, where players gain permanent abilities that gradually unlock new areas and support a carefully crafted progression and narrative. Examples include Hollow Knight, Blasphemous and Ori and the Blind Forest.
Roguelikes, by contrast, focus on run-based gameplay in which players repeatedly start over after failure, with each run shaped by procedural generation, randomness, and systems-driven mechanics rather than fixed content. Examples include Hades, Slay the Spire, and Balatro