itch.io has restored support for browser-playable Flash games by integrating Ruffle, a free, open-source emulator that runs in modern browsers. The move aims to make older games playable again after the end of Adobe Flash, while helping preserve projects that might otherwise become inaccessible. The founder says testing shows compatibility is already good, and the store currently lists 2,581 Flash games.
Developers with existing Flash projects do not need to make changes: itch.io has replaced its former Flash embedding method with an iframe that runs uploaded SWF files through a recent Ruffle build. The setup supports both older and newer SWF files, potentially making it easier to host games that have been waiting to return. Some games protected by site-locks may require extra work, and players are invited to report titles that fail to run. Discussion also addressed Flash’s history of security vulnerabilities. One commenter argued that Ruffle runs as WebAssembly inside the browser, rather than restoring the old Flash plugin, and therefore has a different security model. The development represents a practical preservation effort, though compatibility and individual game issues will determine how smoothly the collection plays.
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