A work-in-progress free and open-source replacement for the Diablo I engine. Simply import the Diablo assets, and enjoy the same old game with faster performance and modern resolutions, and first class support for mods.
We love Blizzard's popular game, Diablo. We love it so much, in fact, that we're willing to spend our precious time developing a free and open source solution for those wanting to play it on a modern computer.
Short answer, yes. We don't distribute any copyrighted game assets, which means you'll need to have a copy of Diablo to be able to play.
: Disable all mods in the launcher and try to start a new game. If it works, re-enable mods one by one to find the culprit.
: Windows 11 users (specifically version 24H2) may face unique compatibility issues that Paradox is actively working to resolve. ck3-crash
To fix crashes, you should first identify if the issue started after a recent update or is related to your hardware settings. As of late April 2026 , players have reported that rolling back to a previous stable version is often the most effective fix for sudden post-patch instability. Immediate Fixes : Disable all mods in the launcher and
: Disable the Steam Overlay , Discord Overlay , and performance monitors like MSI Afterburner , as these can interfere with the game’s loading process. Optimization for Stability To fix crashes, you should first identify if