The original Diablo was not built for multitasking. DevilutionX handles Alt-Tab gracefully on Windows 11, but the GOG version does not.
has become the gold standard. Unlike a simple emulator or wrapper, DevilutionX is a modern source port created by reverse-engineering the original game code. Native Performance:
If you want a "buy-and-play" experience with minimal tinkering, the GOG version is the official modern release.