In bowling, in the Power Strike minigame (with the 91 pins), on the last level, there is a button at the end of the bumpers. If you roll the ball down the bumper and hit it, you get an instant strike. If you miss, you'll hit none, though.

The password for Twilly's prizes is kthxHat! Note: The H is supossed to be capitalized and the exclamation does go at the end. It unlocks two non DA hats and one for DA only.