Another New Title Screen
After getting 9,999,999 coins and maxing the coin counter, you get an alternate title screen with the mario statue now being a tanooki mario statue!
Contributed By: FishyGoodness12.
Play as Luigi
To play as Luigi in the game's single player mode, you must first finish the game by beating Bowser in World 6. After you do that, when on the file select screen, hold down the L and R buttons while selecting a file with the A button. Luigi will now be your selected character.
Contributed By: Blaze627.
Second Title Screen
After Collecting one million coins, you get a new title screen with Gold Mario and a ton of coins.
Contributed By: NightsOwl.
Secret Rainbow Levels
In order to gain access to the secret rainbow levels, you have to jump on the flagpole when the timer shows the correct time. If done correctly, you'll hear the original NES world-cleared-jingle followed by a firework and a rainbow. When you return to the world map, the entrance to the secret rainbow level will appear at the entry point of each world on the far left. Secret rainbow levels contain no enemies but hundreds of coins and eventually golden flower power-ups.
Unlockable How to Unlock Secret Rainbow Level in World 1 Jump on the flagpole when the timer ends with 11 Secret Rainbow Level in World 2 Jump on the flagpole when the timer ends with 22 Secret Rainbow Level in World 3 Jump on the flagpole when the timer ends with 33 Secret Rainbow Level in World 4 Jump on the flagpole when the timer ends with 44 Secret Rainbow Level in World 5 Jump on the flagpole when the timer ends with 55 Secret Rainbow Level in World 6 Jump on the flagpole when the timer ends with 66 Secret Rainbow Level in World Flower Jump on the flagpole when the timer ends with 88 Secret Rainbow Level in World Mushroom Jump on the flagpole when the timer ends with 77 Secret Rainbow Level in World Star Jump on the flagpole when the timer ends with 99
Contributed By: dinoheli.
Unlock Coin Rush Mode
Complete the Castle stage in World 1 to unlock Coin Rush Mode.
Unlockable How to Unlock Coin Rush Mode Complete Castle stage in World 1
Contributed By: JJOR64.
Mario loses his hat
When you reach Triple Crown lives, (1110 lives), Mario will no longer wear his hat during gameplay.
Contributed By: Tyrnn.
Same as Mario on the NES. Go to Mushroom World course 1, the place where the first star coin is. Stand on top of the stairs and wait for the koopa troopa. Go down to the second or third step and wait for the koopa to reach you. Jump on it lightly (not hitting jump when you hit it) and then it should bounce off the wall and Mario will keep jumping on it, allowing you to get 3 crowns in a few minutes. Note - If you try this as Golden Mario, the koopa will disappear after 25 hits.
Contributed By: keisuke999.
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