Locksmith

Locksmith
Developer: Sachen Publisher: Sachen Platform: Unlicensed NES Released in AS: 1991 This game has hidden developer credits. This game has a hidden level select.

Locksmith is, despite what the title says, not about repairing broken locks.

Level/Difficulty Select

At the screen showing what level you are on, hold A + B + Select. While holding them, use the Up/Down buttons to change the current level, and the Left/Right buttons to change the difficulty level.

Hidden Sachen Copyright

On the title screen, press A, B, B, Select, A, B, Select, B, A, Select.