Wizard Typing Game

Wizard Typing Game: -Type the letters that are on the falling rocks. Don’t let the rocks destroy the 4 crystals.

Easy: Simple introduction to trying using the home row keys.
Medium: A bit more complicated, will be using the home row keys and to row keys.
Hard: Very complicated. Includes home row keys, top keys, and rock bottom keys.
Expert: You better be an expert on the keyboard to be mine this difficulty.