LetterShift

Each round shows a letter and an arrow. An up arrow means choose the next letter in the alphabet. A down arrow means choose the previous letter. For example, K with an up arrow means L; K with a down arrow means J.

Faster correct answers earn a speed bonus. Every five-answer streak increases the multiplier. Beginner and Normal avoid alphabet wrapping; Expert eventually allows A to follow Z and Z to precede A.