Geometry Dash hazards meet ULTRAKILL combat—with the full arsenal.
Fight solo in ULTRAKILL using Geometry Dash spike/saw art and music from your own installed copy. All 24 weapon variants and all arms are available.
Choose Survive the Song, ten checkpoint waves, or Endless Style. Bosses arrive every five waves; layouts and music change every ten. Cyan is safe, gold warns, red hurts. F6 opens the mode menu; F7 retries.
Requires Windows copies of both games. Melty supplies BepInEx and launches ULTRAKILL. No game assets are bundled.
0.1.2: mode/retry dialogs isolate underlying menu input, mode changes wait for pending scene loads, enemy navigation is built before spawning, and quit diagnostics preserve intentional quitting.
Validation: two six-minute runs passed all 12 automated checks across separate tests. One intervening run was minimized and paused, causing the two-run test overall to fail; its single-run repeat passed. No claim of a successful two-run test is made. Tests use scripted enemy deaths and health protection after checking ordinary damage; combat balance needs human playtesting.
Known issues: the original players' early clean shutdown cause remains unconfirmed. The reported tasklist.exe installation failure occurs in Melty before the mod loads and needs client-side resolution; this package does not claim to fix it. Installation succeeded here with Melty 1.0.98.
Credits: ULTRAKILL by Hakita/New Blood Interactive; Geometry Dash by RobTop Games and its soundtrack artists. Built with Codex and rehan-remade's universal-modder toolkit. New code/source: MIT; remixes allowed.
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