Contact
Questions, feedback, or ideas — we'd love to hear from you.
Get in touch
QuizIn is a multiplayer quiz project. For bugs, feature ideas, or any other questions, reach us by email triaxisit@gmail.com.
Libraries & tools
Shoutout to the open-source projects that power this site.
- Next.js
App routing, UI, and production build
- React
Components and client state
- Socket.IO
Real-time multiplayer quiz rooms
- Clerk
Managed authentication and user sessions
- Prisma
Postgres access for profiles, history, and favorites
- Three.js
3D avatar lobby and animations (FBX loader)
- d3-geo
Geography mode world map projection
Assets & data
- Mixamo
Character skins and animation clips in /public/assets/animation
- World countries GeoJSON
Country boundaries for the interactive map
- OpenTriviaQA
Classic quiz question bank (CC BY-SA 4.0)
- FlagCDN
Country flag images for Geography “Find by flag” rounds
Tutorials & videos
Thanks to the creators whose walkthroughs helped shape QuizIn.
- Using React (Hooks) with D3 — World Map with D3-geo
Murat Kemal Dar (tutorial series)
Geography mode interactive world map (d3-geo + React)
- Motion Capture Animation with Three.js
Bobby Roe
Avatar scene, FBX mocap clips, and Mixamo-style animations
