Secret Door

Secret Door is a gimmick that appeared in ''Shadow the Hedgehog. ''

Description
Secret Door is a stone door with five locks on it in appearance. Secret Door main purpose is to give the player an extra help to complete the stage faster. Secret Door has many purposes in the game, as in some levels this door gives a hidden route that has a flying vehicle that can be used for transport throughout the stage faster, sometimes it has ground vehicles and powerful weapons to help the player against enemies in the stage and sometimes the Secret Door has a Warp Holes. In gameplay, the Secret Door cannot be used until the player collects all the five Secret Keys. After having them and going to the Secret Door, then the Secret door locks will break and the Secret Door will be opened after that. It appeared in every stage in Shadow the Hedgehog.