Infinite 1-Up tricks are tricks that gives the player infinite 1UPSs (until the max is reached). It can be done by having a shell bouncing on areas that are 1 block wide. There are other ways to do this.
List of Games
In World 3-1, at the staircase, two Koopas come down. One of those Koopas can be used for a 1UP, by kicking them to the staircase 8 times.
- This trick has been in almost every Mario platformer.