I will be updating this with all the possible "exploits" I find. The point of this is to find exploits in the game to make it easier for you.
Infinite Wall Jump What does this do? Enables you to stay in the air for literally ever. It's pretty easy to do, all you need is...
-Any area that has a small space in between 2 objects (example: final castle on world 2 when you face the boss. There is a space between the warp pipe and the wall that works for this)
**The space must be large enough for you to fit in** -A ceiling to stop you from jumping.
Here's how to do it...
1- Stand away from the the wall (or any object).
2- Start running towards it and jump.
**You must time your jump so you can wall kick off the wall and be in between the 2 spaces.**
3- When you are about to hit the wall, perform a wall kick into the designated space.
4- Continue wall kicking between the 2 walls (or whatever the objects are).
The ceiling prevents you from moving too high, while wall kicking off the 2 objects keeps you in the air! Invulnerable from just about everything.
Crouch Walking What does it do? Move while jumping. The "crouch walk" keeps you crouched, and you slide when you land.
For this, you don't need anything. Any surface you can walk on, you can crouch walk.
This also prevents you from running, which is reckless unless you're going for time.
Here's how to do it...
1- Crouch (pressing down). While crouching hold either left or right, now pressing down and a directional button (left or right).
**AKA Diag-Down**
2- Jump, and continue holding you're diag-down combination.
3- When you land you'll slide a little bit in the direction you're diag-down held to.
4- Hold you're diag-down combination and continue jumping.
This honestly might not seem like it does much, but it stops you from jumping too far. It keeps your jumps under control.
You can also move directions while crouching which means you continue crouched until you have to use run/walk.
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If you're reading this, and know of a bug I haven't posted, please post it!