File:ESRB Adults Only (1994-1999).jpg - Wikimedia Commons
List of AO-rated video games - Wikipedia
Adults Only Rating (ESRB) / Useful Notes - TV Tropes
fascism is here, burn flags 🔥🇺🇸 on Twitter: "This is the ESRB rating & descriptors for PC game Hatred & Far Cry 3. The AO game looks less problematic. http://t.co/RgStkK0Z9y" / Twitter
AO Rating, should it stay or should it go? - YouTube
Do We Need More Adults Only Games?
eBay banning Adults Only rated video games sales in July | TweakTown
Update) Assassin's Creed Mirage Has Been Rated Adults Only By The ESRB For "Real Gambling"