Unreal Tournament III Black - a package that comprises of the full game and the huge Titan expansion pack - will be free to download and play via Steam starting tomorrow through the weekend.

As of tomorrow, anyone will be able to log into Steam and rip the whole game to their hard drive, then play it online without restriction throughout this weekend.

If you purchased Unreal Tournament III at retail you can enter your retail key by using the "Activate a product on Steam" feature in the Steam client, and Steam will automatically update you to Unreal Tournament 3 Black for free. Sweet deal.

"During the previous Free Weekend of Unreal Tournament 3 Black on Steam, the game claimed the number one spot on the bestseller list, and simultaneous player numbers jumped by more than 2000%," says Epic.

"Unreal Tournament 3 Black now also includes the recently released Patch 2.1 with even more fixes and upgrades such as award progress when using custom maps and characters, mod support enhancements, various gameplay tweaks and bug fixes, and additional user interface improvements," it adds.

The game's available for free pre-load right now, so you don't waste any play time when the action kicks off. Get on it.