【實用解謎app】Letter Lock +|最夯免費app-綠色工廠好玩App

Letter Lock is a simple yet challenging game that will test your vocabulary and reasoning skills. Locked in letters will both help you and frustrate you as you try to guess the secret four letter word.

This paid version adds a "friend" mode where you can select the secret word for your friend to guess. It also allows you to choose to include obscure words for an added challenge.