An ''[[unofficial patch]]'' is a mod of an existing game that fixes [[Software bug|bugs]] in a game or unlocks content normally inaccessible in official gameplay.{{Citation needed|date=August 2025}} Unofficial patches can reveal cut content from released games, whose files can be left in the game's code. An example is the [[Hot Coffee mod|''Hot Coffee'' mod]] for ''Grand Theft Auto: San Andreas'', which unlocks a sexually explicit minigame not accessible in the game's original release but left in its code.<ref name="auto">{{cite journal|last1=Sotamaa|first1=Olli|title=On modder labour, commodification of play, and mod competitions|journal=[[First Monday (journal)|First Monday]]|date=3 September 2007|volume=12|issue=9|doi=10.5210/fm.v12i9.2006|doi-access=free}}</ref><ref name=":18" /> As a result of the mod, the [[ESRB]] changed the rating of the game from ''Mature'' (M) to [[Entertainment Software Rating Board#Adults Only rating|''Adults Only'' (AO)]].<ref name="RerateToAORating">{{cite web | url = http://www.gamespot.com/news/6129500.html | title = San Andreas rated AO, Take-Two suspends production | work = [[GameSpot]] | publisher=[[CNET Networks]] | access-date = July 1, 2006 | date = 2005-12-14}}</ref> In the fourth quarter of 2005, Rockstar released a "clean" version of the game with the "Hot Coffee" scenes removed, and the rating of the game was reverted to ''Mature''.<ref name="RevertToMRating">{{cite web|url=http://www.gamespot.com/news/6152490.html |title=FTC Hot Coffee ruling scalds, but doesn't burn Take-Two |work=[[GameSpot]] |publisher=CNET Networks |access-date=July 1, 2006 |archive-url=https://web.archive.org/web/20060708231006/http://www.gamespot.com/news/6152490.html |archive-date=July 8, 2006 |date=2006-06-08}}</ref> In May 2006, a similar event occurred with ''[[The Elder Scrolls IV: Oblivion]]''.<ref name="auto" />
