questron.app — Free, real-time multiplayer quiz platform. No account, no install.
Host live quiz games for classrooms, remote teams, or trivia nights. Players join with a 6-character room code on any device.
- Real-time multiplayer — WebSocket-powered, sub-second latency
- Streak system — consecutive correct answers earn bonus points
- Race leaderboard — live speed-based rankings after every question
- 3D card-flip reveals — animated answer reveals with sound effects
- QR code lobby — players scan to join instantly
- Quiz Builder — create
.questronquiz packs with image support - Quiz Library — browse and play community quizzes
- Mobile-first — responsive design, works on phones, tablets, and desktops
- Dark PULSE UI — animated particle background, lime-accent design system
- Secure — host secret auth, origin validation, rate limiting, CSPRNG room codes
| Layer | Technology |
|---|---|
| Frontend | Vanilla HTML/CSS/JS on Cloudflare Pages |
| Game Server | Cloudflare Workers + Durable Objects (TypeScript) |
| Transport | Native WebSockets |
| CDN Assets | jsDelivr (JSZip), cdnjs (QRCode.js) |
git clone https://github.com/kylejckson/Questron.git
cd Questron
npm install
cd worker && npm install && cd ..
# Run both frontend and worker
npm run dev- Frontend:
http://localhost:3000 - Worker:
http://localhost:8787
public/ Static frontend (served by Cloudflare Pages)
index.html Landing page
host.html Host/create game screen
join.html Room code entry
player.html Player game screen
builder.html Quiz builder tool
library.html Browse community quizzes
constants.js Shared config (server URL, helpers)
host.js Host game logic
player.js Player game logic
styles.css PULSE design system
worker/ Cloudflare Worker (game server)
src/index.ts Request router
src/GameRoom.ts Durable Object — game state machine
scripts/ CLI tools
pack-quiz.js Pack quiz folders into .questron files
Use the Builder to create quiz packs in-browser, or run the CLI packer:
npm run pack:quiz -- path/to/quiz-folderQuiz format: JSON with questions, 4 answer choices, correct index, and optional images.
MIT — see LICENSE.
Built by Kyle Jackson.