Kongregate logo.
Kongregate is an online website originally created by the sister and brother team Emily & Jim Greer in 2006 that's now owned by Gamestop Corporation. The website hosts thousands of free user-made games that users can vote on, comment on, score on, level up from and get achievements for. Regular users can also chat, create playlists, discuss a wide variety of topics in the forums, befriends others and earn fans.