A quick 10-minute introduction to the Prime, covering basic math, commands, a few CAS operations, tracing a function, and running user programs. In PDF format.
How well do you know your world? Touchscreen game where you are given a location and you must touch the map as close as possible to the actual location.
Probability simulator, letting you flip coins, roll a 6-sided die, spin a 4-numbered/colored spinner, take a colored ball out of an urn, deal 5 cards, or get random numbers.