Beat the game once to unlock NG+, and to access it, hit the arrow next to the plus symbol on the file select screen.
Unlockable How to Unlock New Game+ Beat the game once.
Contributed By: KFHEWUI.
Unlockable How to Unlock Sound Test Beat New Game+
Contributed By: Groudon199.
At the title screen press Up, Up, Down, Down, Left, Right, Left, Right, B, lastly A to see a secret screen.
Contributed By: MegamanOtaku41.
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