Cities of Apocalypse is a turn-based strategy game and is played with an HTML5-compliant web browser. The game is played asynchronously, meaning that the players can log in and order their troops any time within a given timespan (typically 12 hours).
Forum Chess takes the one-on-one mentality of chess and throws it out the window.
Forum Chess interfaces with a BBS and allows a team-based chess game. Up to four players can be involved with a team and can collaborate with eachother in order to win.