What Challenge does

Devs drop a single <script> tag into their web game. Players match for $2 or $5, winner takes the pot, dev keeps 4.5% of every match. The button lives inside the host game — no separate app to download.

<script src= "https://api.withchallenge.com/widget/dist/challenge-widget.js" ></script>

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Then:

Challenge . init ({ gameId : ' your-game-id ' , apiKey : ' sk_test_... ' , entryFee : 2 , onReady : handlePlayerReady , onError : ( err ) => console . error ( err ), });

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~10 lines of code total. No backend changes if your game runs in the browser.

Three game modes

Different games decide winners differently, so the SDK supports three integration patterns:

SCORE — Each player plays solo. They submit a score. The platform compares and pays the higher one.

LIVE — Players play at the same time, with scores synced via WebSocket.…