List of Mario vs. Donkey Kong pre-release and unused content
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This is a list of pre-release and unused content for the game Mario vs. Donkey Kong.
Hidden e-Reader LevelsEdit
Through hacking, the game reveals 13 e-Reader level entries in the North American version, 14 in the Japanese version, built-in. The game was created by Nintendo Software Technology Corporation, the American division. The levels in the North American release are prototypes of the ones found in the Japanese release which came out weeks later. The two versions' levels are in different orders and all the Japanese levels have been edited to varying degrees. Two entries were removed while three new ones were added.
North American release levels:
 e-Reader mode is normally hidden at the file select screen. |
 Level Select Screen |
 01: "Revenge" |
 02: "The Long Way" |
 03: "One Shot Blue" |
 04: "Egg Attack" |
 05: "Later Gator" |
 06: "Hot Feet" |
 07: "Boo in a Box" |
 08: "The Thwamplet" |
 09: "A Tricky Candle" |
 10: "Key to the Key" |
 11: "Danger Flowers" |
 12: "Climb and Fall" |
 13: "DUMMY2" |
Level EditorEdit
Before Mario vs. Donkey Kong 2: March of the Minis, there were plans to have a level editor, but were scrapped. The code remains in the game and can be accessed by cheating. Some elements are broken and saving is not possible.
- Move cursor (looks like the current object)
- Switch between different object types
/ 
- Scroll through the objects
- Place an object
- Remove an object
- Play level
