Super Mario 3D Land for the Nintendo 3DS contains various built-in secrets and unlockables that function as "cheats," ranging from infinite life tricks to unlocking new playable characters and hidden worlds.
To unlock Mario’s brother, you must first complete the main game (Worlds 1–8). Once the Special Worlds are available, travel to Special World 1-Castle and defeat the boss to rescue Luigi. You can then switch between characters by tapping the "L" or "M" icon on the bottom screen. Super Mario 3D Land Cheats 3Ds
This ultimate challenge only unlocks once you have achieved a 5-star profile . This requires completing every level with both Mario and Luigi, collecting every Star Medal, and reaching the top of every flagpole. Unlimited 1-Up Tricks Super Mario 3D Land for the Nintendo 3DS
After defeating Bowser in the final castle of World 8, a green warp pipe will appear at the start of World 1, granting access to 8 additional challenging Special Worlds. You can then switch between characters by tapping
Shortly after the mid-level flag, you will find three Koopa Troopas in a corridor. Stand in front of the first one, jump, and stay still; with the right timing, Mario will continuously bounce on the shell between the wall and a block, earning lives rapidly.