Meebo is now adding several games to its web-based, cross-platform instant messaging service. You can now play game and chat with your friend inside the browser. Read Meebo’s Blog post here.

Using the Meebo Platform API, third-party developers such as 3rd Sense, Absolutist, Clearspring Technologies, Come2Play, Gamebrew, MediaGreenhouse, Mochi Media, MyGraffitiWall, Jiggmin, Kongregate, PlayFirst, Presidio Studios, and ZeroCode have created more than 20 games for Meebo users.

The games are Animal Puzzle, Artillery, Backgammon, Battle Pool, Blackjack, Checkers, Chess, Connect4, Go, Kongregate Racing, Match4, Music Man, Picture This!, Pirate War, Platform Racing, Reversi, Sheep Me, Sploder, Sudoku Wars, Tactics 100, Texas Hold ‘em, and World Travel Puzzle.