Monetize web games built with Defold using the new Xsolla SDK

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Monetize web games built with Defold using the new Xsolla SDK

June 12, 2025•3 min

Just in time for the CrazyGames x Defold Game Jam, the official Xsolla SDK for the Defold engine allows developers to monetize browser-based games faster. We’re excited to announce the launch of the Xsolla SDK for Defold, now available in the Defold Asset Portal. This new plugin enables developers to easily integrate in-game purchasing into browser games without complex API setup. Whether you're building your first web-based title or shipping your tenth game jam project, we built this SDK to help you move faster, monetize smarter, and reach more players with less friction.

Fast, flexible monetization for browser games

Building great browser games is one thing, but monetizing them? That’s often where the real challenge begins. Setting up in-game stores and connecting payment systems traditionally required backend expertise and lots of time. That’s why we created this SDK: to give developers a better way. With just a few lines of Lua, Defold’s native scripting language, you can implement a full-featured in-game purchase flow, no need to reinvent the wheel or wrestle with manual integrations. The result is: faster go-to-market, cleaner codebases, and a monetization experience that works right out of the box.

Powered by Xsolla, designed for Defold

This SDK combines the power of Xsolla’s commerce platform with the flexibility of the Defold engine— one of the most efficient tools for building 2D games across platforms. By combining these two systems, developers can now:

Enable real-time in-game purchases directly in the browser;
Leverage over 700 global payment methods without added infrastructure;
Customize in-game store layouts to match the style of their game;
Scale monetization beyond traditional mobile and PC platforms.

Because the SDK is native to Defold, it’s optimized for web-first performance and minimal file size, critical for browser game deployment.

Ready for the CrazyGames x Defold Game Jam

This integration couldn’t come at a better time. The CrazyGames x Defold Game Jam will take place June 13–15, and thousands of developers will build browser games from scratch over a single weekend. With the new SDK, participants can embed monetization into their projects on day one, meaning more than just prototypes—it means launching real, playable, revenue-generating titles that can live beyond the jam. The new SDK is more than a time-saving plugin; it’s a bridge to long-term success for indie developers who want to publish directly to web platforms.

A 3-way partnership that opens new doors

This SDK is the result of a strategic collaboration between 3 major players in the browser games ecosystem.

Defold is a beloved, open-source engine designed for lightweight, cross-platform game development.
CrazyGames is a global browser games platform with 40+ million monthly users.
Xsolla is a trusted partner in game commerce, offering scalable monetization tools for developers of all sizes.

Together, we’re helping more developers monetize earlier, publish faster, and thrive in the new era of web gaming.

Get started with the Xsolla In-Game Store SDK for Defold

The SDK is now available through the Defold Asset Portal. Inside, you’ll find documentation, sample projects, and everything you need to get started. It’s free to use and built to help you move from “game jam concept” to “published product” without skipping a beat. Sign up and create a Publisher Account to start earning more on browser-based games today.