Microsoft Quietly Ships an Xbox 360 Emulator Inside Its PC Backward Compatibility, and Modders Are Already Digging In

On July 22, 2026, Microsoft launched Xbox Backward Compatibility on PC through the Xbox app on Windows 11, bringing four original Xbox games back to life: BLiNX: The Time Sweeper, Conker: Live & Reloaded, Crimson Skies: High Road to Revenge and Fuzion Frenzy. These titles received a genuine technical facelift, with upscaling up to 4x the original resolution, VSync support, windowed mode and improved anisotropic filtering.

XeO3, the Xbox 360 emulator hiding behind the curtain

Researchers and dataminers quickly dug through the program's files and discovered that these four games don't run through a simple native port, but through XeO3 (codenamed Fission), the very same Xbox 360 emulation technology Microsoft already uses for backward compatibility on Xbox One and Xbox Series consoles. The system partially rebuilds the Xbox 360 environment, including its Xenon processor and console hypervisor, before running the original first-generation Xbox emulator on top of it, like a set of Russian dolls. Enthusiasts claim to have managed to boot other Xbox 360 games, such as Plants vs. Zombies, by combining components extracted from the compatibility package, even though Microsoft has not officially announced any Xbox 360 support on PC to date.

The discovery has reignited speculation about a possible future expansion of PC backward compatibility to the wider Xbox 360 library, a way for Microsoft to bring those games to Windows without producing a dedicated port for every release. Significant hurdles remain, however, from licensing questions to multiplayer servers shut down years ago and hardware compatibility concerns.

The four currently available games can be purchased individually or accessed through any Xbox Game Pass subscription; Microsoft's full announcement is available on Xbox Wire.

Source: GenerationAmiga