Adventure

Arcade

Jump
3D platform game from Sega. Excellent graphics.

Casino

Spin Palace Casino
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Puzzle

Bookworm
Link letters together to make words. Longer words and bonus tiles earn more points. Excellent stuff.

Crashdown
Click on a group of 3 or more of the same colored squares to remove them. If you like Tetris then this is for you.

Simulation

Air Hockey
Excellent air hockey game with none of the bruised knuckles. Horribly addictive.

Cueball Alley 3D Pool
High quality 3D pool game. Play against a selection of computer opponents or a friend.

First 2 Zero Darts
Impressive darts game.

Table Tennis
Play table tennis against the computer opponents.

Other

Realistic Internet Simulator
A hilarious game based on the nightmare of pop-up ad windows.