Coke Music

Mix music and play it to people in a virtual world, choose your appearance and design your studio, earn virtual money to buy virtual furniture!

Free to play indefinitely.

Conquer Online

A free anime-themed online rpg with gorgeous graphics. Several servers. The client download is roughly 600 mb.

Free to play indefinitely.

Cosmic Encounter Online

A one to four player game where humans actually have their brains augmented with alien intelligence. As an alien with a unique cosmic power, you use a blend of strategy, cunning, and diplomacy o defeat or collude with opposing aliens and build colonies across the galaxy.

Free, with option to pay for additional features.

Counter-Strike 2D

A fun little 2D top-down version of the game Counter-Strike.

Free to play indefinitely.

CrossFire

"Crossfire is a highly graphical role-playing adventure game with characteristics reminiscent of Rogue, Nethack, Omega, and Gauntlet. It has multiplayer capability and presently runs under X11."

Free to play indefinitely.