$4.99

Released this past weekend, this is the good old fashioned version of Monopoly, and it includes four-player multiplayer over Wi-Fi or by passing the iPhone around. Alternatively it has a three-player Bluetooth challenge.

$4.99

The oldies are still the best. EA recently updated the iPhone Tetris with a novel "Magic Crayon" mode that lets you replace any falling Tetris piece with a different one that you draw yourself. Sounds too easy, but it's remarkably effective, and adds to the pacing considerably.