Cross-platform HTML5 game SDK.
One API for VK, OK, Yandex, CrazyGames, Poki, GameDistribution, Telegram — and local dev.
arcanebv © 2026
One lightweight SDK. Zero platform-specific code in your game.
VK, OK, Yandex, CrazyGames, Poki, GameDistribution, Telegram — and local mock for development. Auto-detection, single interface.
Firebase-powered leaderboards and cross-device cloud saves. One unified Firestore database for all your players.
Real-time KPI dashboard, per-game stats, platform distribution charts. Know exactly how your game performs.
Cloud Functions validate API keys server-side. Your backend data is protected — no direct client access.
usdkCoins — fair monthly quota per developer account. Auto-resets, upgrade-ready. Never blocks your players.
Dark theme, smooth animations, responsive on every device. Developer console feels native on desktop and mobile.
Built-in player chat with real-time polling. Cross-platform filtering, fetch history.
Unified leaderboard with cross-platform filtering. Show only your platform, or merge them all. Auto-rank calculation.
SDK served from fast global CDN. Always running the latest version — zero manual upgrades. One script tag and you're done.
Progressive and instant achievements with unlock toasts, confetti and VK/OK missions. Track player progress out of the box.
Built-in quest system with progress, completion rewards and a ready-made overlay. Configure quests right from the console.
7-day reward cycle with streak tracking. Custom icons per day, claim logic and streak resets handled automatically.
Your own Yes/No dialog with a callback tag — perfect for purchases, confirmations and in-game prompts.
Lightweight confetti effect on unlocks and milestones. One param and your game celebrates with the player.
Platform push subscriptions (VK native, and more). Ask once, respect the choice, re-engage your players.
Link achievements to VK & OK social missions. Friends get notified the moment a mission completes. Zero extra code.
You only pay for what you use. Generous free tier for indies.
| Operation | Cost |
|---|---|
| Submit score | 1 coin |
| Leaderboard view / rank | 1 coin |
| Cloud save · Cloud load | 1 coin * |
| Chat: fetch history | 1 coin |
| Chat: open overlay | 1 coin |
| Session (game load) | 2 coins |
| Chat: send message | FREE |
| Native save · Native load | FREE |
| Ads · Social · Gameplay | FREE |
* Cloud save/load only on platforms without native storage: Poki, GameDistribution, local dev. VK, OK, Yandex use native platform storage — free.
Create an account in the developer console. Email verification keeps things secure.
Register your game — pick target platforms, set up group IDs. Copy your appID & API key.
appID + apiKey
Add main.js to your C3 project (one-time). Then call Init() from any event sheet — SDK loads from CDN and adapts to every platform.
usdkInit("appID", "apiKey")