Deadeus is a homebrew horror game for the Game Boy about a boy who has a nightmare telling him that everyone in his village will die in three days. He must then see if he can save anyone before those three days are up. There are many paths to take and many endings to encounter, adding replay value to a pretty short game.
MarioAtWork decides to end the game as quickly as possible without any regard to storytelling logic by abusing a glitch that allows them to warp past important cutscenes in seconds and reach the credits very soon.
You can get the game here.
Warning: Viewers who are sensitive to flashing lights may want to skip 1:09 to 1:35 of the video encode.