Bethesda is notorious for its bugs and engine anomalies. Its dynamic, modular Creation Engine used for Skyrim, Fallout 4 and other titles allows the company to fairly rapidly build huge open worlds, full of detail and reasons to explore.
Rich; detailed Fallout-style open world; Great environmental storytelling; Fun with friends
Ungodly amount of bugs; Many systems just feel clunky; When not hidden by lighting; it's pretty ugly