The original retail version of the Anthology included a version of Unreal Gold with a unique Midway splash logo that initially caused "connection failed" errors on older servers.
Integrated fixes for Windows XP/Vista, though modern players often still use the community-made OldUnreal Patches for 4K support and Windows 10/11 compatibility. Unreal: Anthology
This collection was designed to make these classic games accessible on then-modern hardware: The original retail version of the Anthology included