Daggerfall

Daggerfall is set in the Iliac Bay region, where the player must solve ancient mysteries under the Emperor's secret orders. It features a massive map spanning 160,000 square kilometers, filled with thousands of towns and dungeons. The game offers deep content, including complex quest systems, political intrigue, and various guild activities. It gained significant attention for its advanced 3D graphics and free-form character development system for its time. Currently, it can be comfortably played in modern environments via the open-source engine, Daggerfall Unity. (Content not in reference)