Gene Rally is one of the great well-made 3D freeware games
You play a criminal who works his way up the ladder of respect of the underworld
A brilliant pool game
A remake of the good old snake type games
Tell the future just like the pros
Seek and destroy your enemies through the use of your sonar.
Create your own bullet dodging sim with your own mp3 collection.
Operation 7 is a free-to-play MMOFPS with realistic dynamics and varied maps.
A very nice Tetris clone
You are a god.