Sitcom Blocks is based on the game show Hollywood Squares, a trivial tic-tac-toe game. As in tic-tac-toe (noughts and crosses), you try to complete three in a row while blocking your opponent from doing the same. The computer opponent starts; this alternates each round. When it's your turn, click a sitcom character block that's not taken by an 'O'. A question will be asked and the character will answer it. You have to decide whether the answer is true or false. If guessed correctly, an 'X' will be marked on the character block. The questions relate to television shows, characters, actors, and connections. You Score $500 for marking an 'X' and $10,000 for winning the round.