Build a real AR/VR app with React Native in one week, and ship one codebase to iOS, Android and Meta Quest. No Unity, no native rewrite.
Build week: Sat Oct 3 – Sun Oct 11, 2026 (online) · Submissions close: Sun Oct 11, 11:59 PM PT · Finals: Thu Oct 15
| 📘 Hacker Guide (schedule, rules, prizes) | https://separated-cornet-eaf.notion.site/Ctrl-Space-Hacker-Guide-3ee70ea371568000a1ebe62d82a560c9 |
| 💬 Discord | https://discord.gg/DKhRrrJC |
| 📝 Submission form | https://tally.so/r/xXOARv |
| 🎁 Claim Studio + Expo perks (use the email you registered on Luma with) | https://tally.so/r/q40yWd |
| 🎟️ Event page (register here first, it's free) | https://luma.com/ctrl_space |
- Register on the event page, join the Discord and read the pinned post in #hack-rules-faq. Everyone on a team must be 18 or older; the full rules are in the Hacker Guide.
- Pick your track:
- Code track (ViroReact + Expo): follow docs/CODE-TRACK.md. Building for Meta Quest? Also read docs/QUEST.md.
- No-code track (ReactVision Studio): follow docs/NO-CODE.md.
- Connect your AI coding agent to the ViroReact MCP server: docs/MCP.md.
- Need an idea? See docs/IDEAS.md. Need a team? Post in #team-formation.
- Before the deadline, go through docs/SUBMISSION.md.
| When | What |
|---|---|
| Sat Oct 3 | Build week opens, submission form goes live |
| Sun Oct 4, 8:00 AM | Tutorial premiere: "Zero to AR scene: ViroReact + Expo" |
| Mon Oct 5, 8:00 AM | Kickoff livestream (15:00 UTC) + team-formation mixer at 9:15 AM |
| Tue Oct 6, 8:00 AM | "Studio no-code in 15 minutes" premiere |
| Wed Oct 7, 8:00 AM | Workshop: building with AI agents and the ViroReact MCP server |
| Thu Oct 8, 8:00 AM | Demo video & submission clinic |
| Oct 5–10, daily | Office hours, 5:00 AM and 10:00 AM, on the Discord stage |
| Sun Oct 11, 11:59 PM | Submissions close |
| Wed Oct 14, noon | Finalists announced |
| Thu Oct 15, 9–11 AM | Virtual finals |
In-person Ctrl+Space events: San Francisco · London · Bengaluru · Toronto
| Criterion | Weight |
|---|---|
| Technical Implementation | 25% |
| Innovation & Creativity | 20% |
| Real-World Impact | 20% |
| Design & Experience | 20% |
| Presentation & Demo | 15% |
The top 6 projects demo live at the virtual finals. Full rules are in the Hacker Guide.
- ViroReact: https://github.com/ReactVision/viro
- Expo starter kit (TypeScript): https://github.com/ReactVision/expo-starter-kit-typescript
- ViroReact docs: https://viro-community.readme.io
- ViroReact MCP server: https://www.reactvision.xyz/viro-react/mcp-server
- Expo docs: https://docs.expo.dev
Ask in #submission-help on Discord. We reply within 12 hours, usually much sooner. Office hours are the fastest way to get unblocked.
Tag @ReactVisionXR and @expo with #CtrlSpace when you share your progress. We repost our favourites.