Here are some links to good freeware games. Check it!
Big Bumpz - A hyper-wrestling game.
Shadowflare - An action/role-playing game.
Eaglelander 3d - A moon landing simulator. If you can land this you could land on the moon.
Liquid War - A wicked little strategy game that can be played by up to 8 ppl or over a LAN. We will be playing this game sometime soon. :).
Perfect Cherry Blossom - An oldskool shooter by Team Shanghai Alice. 6.9 megs and supposedly pretty awsome.
Soldat - A multiplayer shooter a bit like Worms bit with a WW theme. 8megs for that.
Magical Broom Extreme - Another Japanese Shooter. 6 odd megs.

Scorched Earth 3D - Yes, Scorched Earth. A 3D update to a true PC classic :) It's not quite that good though.