EVE Online is a massively multiplayer online role playing (MMORPG) science-fiction space game developed by CCP Games. The game lets the player pilot a fully customizable starship, where you can explore the galaxy, visiting new star systems, planets and moons. You can also trade and engage in battles with your enemies. The demo gives you a full 14 day trial of the full version with no credit card required.
Intel powered Mac (1.8GHz Core 2 Duo or faster)
Mac OS X 10.4.9 or newer
128MB graphics card
6GB hard disk space
Free download at eeveonline.com