- Headless sim (GeometryWarsLogic) with evolved and pacifism modes,
seeded RNG for deterministic replays, and a fixed-tick accumulator loop
- Spring-lattice warp grid that reacts to bullets, explosions and black holes
- Additive neon bloom post pipeline plus a particle field for streaks/rings
- Vector font, title screen with mode cards, HUD, pause and game-over panels
- Register the game in the registry, scene dispatch, soundtrack and assets
- tools/verifyGeometryWars.js: headless checks incl. a bot soak across seeds
