Roguelike

Roguelikes are games defined by procedural generation, permadeath, and run-based gameplay. Named after the 1980 game Rogue, the genre has evolved from ASCII dungeon crawlers into one of the most influential design philosophies in modern game development, spawning the broader "roguelite" category that blends roguelike elements with persistent progression.

The core loop is elegant: each run through a roguelike is unique because levels, items, enemies, and encounters are procedurally generated. Death is permanent — there are no save-scumming checkpoints — which creates genuine stakes and forces players to master systems rather than memorize content. The combination produces extraordinary replayability from relatively modest content budgets, making the roguelike structure ideal for indie studios.

The roguelike renaissance of the 2010s-2020s produced some of the most critically acclaimed games in the medium. Hades (Supergiant Games) demonstrated that roguelike structure could support rich narrative — using death and repetition as story mechanics rather than narrative obstacles. Slay the Spire fused roguelike runs with deckbuilding. Spelunky proved that roguelike design could create platforming perfection. Balatro applied the formula to poker. The "roguelite" variant — where meta-progression persists between runs, gradually making the player more powerful — broadened the audience significantly by softening the permadeath punish.

Roguelikes are inherently AI-friendly. Their dependence on procedural generation makes them natural candidates for generative AI enhancement: AI can generate more varied and contextually interesting levels, enemies, and item interactions than traditional PCG algorithms. Agent NPCs in roguelikes could create truly adaptive adversaries that learn from the player's strategies across runs. The genre's emphasis on systems over fixed content aligns perfectly with AI's strengths.