A Geometry Wars–inspired 3D twin-stick arena shooter — built end-to-end with AI.
🎮 Play it now — no install, no ads, no monetization. Ever.
Fight geometric swarms on a neon sphere. Grab weapons, pop your NOVA, survive the mini-boss, then face the MEGA BOSS at 200 BPM. Global leaderboard included — register your score with a one-line comment.
This game was built by AI agents, driven by one person (and play-tested by his son):
- JARVIS Code orchestrated the build — GLM 5.2 iterated the game as a single self-contained HTML file, GPT 5.6 (Codex) reverse-restored that 640KB artifact back into this modular TypeScript codebase, and Claude integrated, reviewed, and shipped.
- The reverse-restoration is verified by a golden-trajectory parity harness: 3 seeds × 3,000 simulation steps, identical to the original within 1e-9. The full journey — including the AI's working letters (
CODEX_LETTER_*.md) and restoration notes — is preserved in this repo's history. - The simulation is 100% DOM-free and deterministic (seeded RNG), which is what makes the parity suite trustworthy.
npm install
npm run dev # dev server
npm run build # production build
npm run build:single # single self-contained HTML (the arcade-cartridge format)
npm test # 143 unit tests
npm run parity:verify # golden simulation parity vs. the originalWASD/Arrows move · Mouse aim · Click/Space fire · Shift boost · Q/F bomb (NOVA) · P pause · M mute · R restart. Touch supported (left stick move, right stick aim+fire).
PRs welcome — this project exists to be played with. Good first ideas: new enemy types, new weapons, gamepad support, new bolt visuals. Rules: keep it fun, keep it free, no ads, no tracking. Gameplay balance changes need a new parity baseline (see docs/RESTORE_NOTES.md).
Backed by Supabase with row-level security and a server-side profanity trigger. The anon key in the client is public by design (RLS-protected). Be nice on the board.
- Music: "Deadly Contracts" & "Going Undercover" by Tomasz Kucza (CC-BY 4.0) · "Hard Boss Battle 1" by MintoDog (CC0)
- SFX: Kenney Sci-Fi Sounds & Digital Audio (CC0) · faxcorp Electricity Game Sound Pack (CC0) · BMacZero Tesla recordings (CC0) · rubberduck 100 CC0 SFX #2 (CC0)
- Engine: three.js (MIT)
- Full per-file attribution in
assets/bgm/LICENSES.mdandassets/sfx/LICENSES.md
"Geometry Wars" is a trademark of Activision Publishing, Inc. GRIDX is an independent fan-inspired work, not affiliated with or endorsed by Activision.
Apache-2.0 © 2026 Jun Kim
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