With that being said, there are many different online gaming websites out there but not all of them are noteworthy. So, here are 5 noteworthy Online Gaming Websites to Play Games for Free:1. Kizi.comKizi.com is an online gaming website that features a huge collection of different online games. AGame.comAGame.com is a free online gaming website where you can play different online games for free. You will find different categories on AGame such as Puzzle Games, Girls Games, Racing Games, Shooting Games, Multiplayer Games, etc.