Head Case

Select a category and get your friends to give you clues as you try to figure out the word. Flip your device up for a correct answer, flip down to pass. See you score after time runs out.
Or...
Play team-based where you give clues and try to get your teammates to guess the word. Swipe up for correct, down for pass. Pass to the next player. See which team loses by having the device at the end of the timer.

Comes with a large collection of free rotating categories, with more categories able to be purchased.