Build a WebGPU car stunt game with Gemini 4 Argon in Antigravity
Over a weekend he built Roadster Jump, a WebGPU simulation in three.js and Blender where you launch a car across a 250 m canyon with thrusters, including custom shaders, fixed 120 Hz physics and a rigged 7-part car.
Source
@AnshulDhawan001 on X · 2026-10-19
Written in our own words. Credit to the original author. Link checked 2026-10-20.
What they did
Over a weekend he built Roadster Jump, a WebGPU simulation in three.js and Blender where you launch a car across a 250 m canyon with thrusters, including custom shaders, fixed 120 Hz physics and a rigged 7-part car.
Result (as claimed)
14 likes and 555 views; playable link shared.
Tools they used
Cost: Gemini 4 Argon: from $2 in / $10 out per 1M tokens.
Set it up
Write a one-page brief
Describe the app in plain words: who it is for, the 3 core screens or actions, and what "done" looks like.
Start the project with your agent
Open Gemini 4 Argon and paste the brief. Ask it to propose a stack and a file plan before writing code.
Build one slice at a time
Ship the smallest working flow first, run it, then add features one by one. Commit after each working step.
Test it like a user
Click through on desktop and phone. Ask the agent to add basic tests and fix anything that breaks.
Check security and ship
Keep keys in environment variables, check auth and database rules, then deploy and share the link.
Copy the full setup prompt
Paste into your agent and it will walk you through the setup, asking before anything that sends, posts or spends.
You are helping me set up this AI use case end to end in Claude Code. Goal: Build a WebGPU car stunt game with Gemini 4 Argon in Antigravity What the original author did: Over a weekend he built Roadster Jump, a WebGPU simulation in three.js and Blender where you launch a car across a 250 m canyon with thrusters, including custom shaders, fixed 120 Hz physics and a rigged 7-part car. Reported result (as claimed by the author): 14 likes and 555 views; playable link shared. Source: https://x.com/AnshulDhawan001/status/2112208449056731188 Tools they used: Gemini 4 Argon, Antigravity, three.js, Blender Category: Vibe coding & apps Please: 1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like). 2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure. 3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data. 4. Finish with a checklist to run it again next time.
You are helping me set up this AI use case end to end in Codex. Goal: Build a WebGPU car stunt game with Gemini 4 Argon in Antigravity What the original author did: Over a weekend he built Roadster Jump, a WebGPU simulation in three.js and Blender where you launch a car across a 250 m canyon with thrusters, including custom shaders, fixed 120 Hz physics and a rigged 7-part car. Reported result (as claimed by the author): 14 likes and 555 views; playable link shared. Source: https://x.com/AnshulDhawan001/status/2112208449056731188 Tools they used: Gemini 4 Argon, Antigravity, three.js, Blender Category: Vibe coding & apps Please: 1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like). 2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure. 3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data. 4. Finish with a checklist to run it again next time.
You are helping me set up this AI use case end to end in Grok Bot. Goal: Build a WebGPU car stunt game with Gemini 4 Argon in Antigravity What the original author did: Over a weekend he built Roadster Jump, a WebGPU simulation in three.js and Blender where you launch a car across a 250 m canyon with thrusters, including custom shaders, fixed 120 Hz physics and a rigged 7-part car. Reported result (as claimed by the author): 14 likes and 555 views; playable link shared. Source: https://x.com/AnshulDhawan001/status/2112208449056731188 Tools they used: Gemini 4 Argon, Antigravity, three.js, Blender Category: Vibe coding & apps Please: 1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like). 2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure. 3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data. 4. Finish with a checklist to run it again next time.
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Guides for this use case
How to build with Gemini 4 Argon and Gemini agents · How to make 3D scenes and models with AI and Blender · How to vibe code a game with AI · How to build AI agents for SEO and ads
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