This page contains a list of cheats, codes, Easter eggs, tips, and other secrets for Super Mario Bros. 3 for NES.If you've discovered a cheat you'd like to add to the page, or have a correction. There are some leftover debug routines in the game, but none can be accessed without cheat devices or hacking. Super Mario Bros. Match, there is.
Alternate endings
Successfully complete the game with less than 100 Star Coins. The Princess will say 'Did I ever tell you about the Secret World?'
Successfully complete the game will all Star Coins from Worlds 1 through 8. The Princess will say, 'Oh Mario, tell me about your adventure again!'
Alternate paths
Super Mario Bros 3 Match Game Cheat
World 1Level 1-3: Leads to a cannon.
World 2
Level 2-4: Warp pipe directly to the castle.
Level 2-6: Leads to a cannon.
World 3
Ghost House: Leads to a cannon.
Level 3-4: Warp to level 3-5 or castle.
Level 3-5: Star Mushroom House.
World 4
Fortress: Leads to a cannon.
Ghost House: Star Mushroom House.
World 5
Ghost House: Leads to a cannon.
World 6
Level 6-5: Castle back door.
Level 6-6: Cannon.
World 7
Fortress: Warp to level 7-6.
Ghost House: Warp to level 7-5.
World 8
Level 8-2: Warp to level 8-7.
Auto Pilot mode
Super Mario Bros 3 Online
Intentionally fail a level eight times. In Auto Pilot mode Mario will automatically complete a level.Avoid random encounters
Dead player sounds
Double Ground Pound (Multiplayer)
Easy coins
Extra lives
If you are riding on a Yoshi and jump on the bullets seven or eight times you will get as many extra lives as desired.
Kill eight enemies with a star on you to get an extra life. You can keep it going until the star runs out if you are fast enough.
Kill eight enemies with a turtle shell you will get an extra life. You can keep hitting the turtle shell until there are no more enemies if you run fast enough.
Jump on seven turtles to get an extra life. You can keep jumping on the turtles until there are no more to jump on if you are fast enough.
Freeze the Pokeies then do a quick Ground Pound to get at least five extra lives.
Flower Coins
Hatless Mario
Head protection
Knock Out Marauding Enemies
Lose Your Hat Easter Egg
Make mushroom houses appear in multiplayer
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Movies
Mushroom House Bonanza
Mushroom houses
Green house with 1-Up Cannon mini-game: Last number of the timer is 0, 1, 2 or 3.
Red house with Match mini-game: Last number of the timer is 4, 5 or 6.
Gold house with Star reward: Last number of the timer is 7, 8 or 9.
Successfully complete the game to gave all Mushroom Houses in Worlds 1 through 8 reappear.
To have Mushroom Houses to appear in multi-player mode, complete the level with the last two numbers of the timer have the same digit, except for zero. The original Super Mario Bros. level completion music and fireworks will confirm that it has worked.
Gold Mushroom House: Last two numbers of the timer is 99.
Green Mushroom House: Last two numbers of the timer is 11 or 22.
Red Mushroom House: Last two numbers of the timer is 33, 44, 55, 66, 77, or 88.
Save Anywhere
Save option
Sounds From Beyond the Grave
Stealing Red Mushroom Houses (Multiplayer)
Super Guide mode
Super Mario Bros. 3 and Super Mario Galaxy reference
When you enter the airship the background music is the airship song found on Super Mario Galaxy.
Super Mario Bros. and New Super Mario Bros. references
Super Mario Bros. reference
Title screen stars
Successfully complete the game.
Successfully complete all normal levels.
Collect all 207 Star Coins in Worlds 1 through 8.
Complete World 9 with all 24 Star Coins.
Complete all levels with all alternate paths (all Warp Cannons and Mushroom Houses used).
Additionally, successfully complete all levels without unlocking the Super Guide Block (do not die eight times) to unlock sparkling stars.
Turtle Tipping for 99 Lives
Unlimited Coins (World 4)
In a two-player game, enter World 4's final castle. Make sure that at least one player has Ice power (either the flower or the penguin suit will suffice). Work your way through the level until you reach the first panel that you can pound in order to switch to the back of the grate. Have one player (the one with Ice power) stand on the rightmost '?' block just to the left of the panel. The other player should climb the grate to reach the switchable part, carefully avoiding the Koopa while climbing. When the Koopa is on the back of the panel, have the player with Ice power freeze it, and have the second player slam the panel around. The Koopa should now start spewing an endless stream of coins.World 9

Level 9-1: Collect all Star Coins in World 1.
Level 9-2: Collect all Star Coins in World 2.
Level 9-3: Collect all Star Coins in World 3.
Level 9-4: Collect all Star Coins in World 4.
Level 9-5: Collect all Star Coins in World 5.
Level 9-6: Collect all Star Coins in World 6.
Level 9-7: Collect all Star Coins in World 7.
Level 9-8: Collect all Star Coins in World 8.
Level 9-9: Collect all Star Coins in all previous levels of World 9.
Yoshi's Island series reference
When fighting Bowser after you press the button, Kemek will cast a spell on Bowser to make him bigger and stronger. This also happens in Yoshi's Island DS.
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