Games

Online Checkers » Play against a tough computer player.
Online Chess » Advanced JavaScript chess game.
Online Tetris » The classic.
Tic Tac Toe » Comes with artificial intelligence and the ability to keep score.
Play Game Boy Online » Includes the classic Super Mario Land.
Sex Probability Calculator » Do the math.
Arrange
Space Invaders » Save the earth by shooting invading aliens.
Snake » Navigate the snake to join up with appearing blocks.
Super Pong » Ping-pong game with impressive computer AI.
Phong » Similar to the above, this is a fun, one player ping-pong game.
ASCii Pong » Text-based ping-pong game.
Crab Race » Place your bets.
Online Bowling
Whack the Bunny » Smack Deb on the head as she comes out of her holes. :)
Battleship » A clone of the Battleship board game where you try to sink each other ships.
Poker » Classic game of Solitaire 5-card draw Poker.
Dice Roller » Use this when you don't have any real dice on hand.
Simon Says » Memory game where you try to match "Simon's" moves.
Dodge 'Em » Avoid the other cars as you race down the road.
Tower of Hanoi » Puzzle game - try to move disks from the left pole to the right using the least amount of moves.
Bomb Sweeper » Clone of the classic Windows Minesweeper game.
Mine Maze » A variation on Window's Minesweeper.
Falcon » Jet fighter arcade-style shooting game. Destroy the big boss.
Crystal Ball Mind Reader » We can read your mind!
Mini-Putt Golf