Newgrounds is described as 'com, the large Flash games and animation site that spawned Alien Hominid, has been accepting user-produced submissions since 1999'. There are more than 25 games similar to Newgrounds for a variety of platforms, including Online / Web-based, Windows, Linux, Self-Hosted solutions and Android. The best alternative is Kongregate, which is free. Other Newgrounds like games are Armor Games (Free), GameGlu.com (Free), Smolpxl (Free, Open Source) and Ninja Kiwi (Freemium).
Shockwave.com is the ultimate destination for free online games, free download games, and more! This is your chance to play games 24-7, with a ton of great categories to choose from. Best of all, Shockwave.com is updated daily, making our library of games virtually endless!