【實用解謎app】20 Hops|最夯免費app-綠色工廠好玩App

"20 Hops" is a puzzle of visiting 20 tiles exactly once, moving like a Chess Knight. This is a game of sheer brain power, requiring no knowledge, experience, or quick reflex. On the other hand, tenacity, creativity, or good intuition may help. The program has three modes: regular, hint, and answer. A subset of the famous puzzle "Knight's Tour."