If two platforms via Item1 are place close to each other they may disappear at the same time despite being place at different times.

if you fire a projectile then pause, change your weapon, then unpause the projectile that you fired will switch to the new projectile. (you must pause relatively quickly from firing the first projectile)

(May need to be reworded) if you stand on a ladder and a piece of geometry and slide towards the geometry you'll slide and climb the ladder downwards, if you did it correctly you should appear to be standing within the ladder, but you are standing one pixel into the level collision. From here if you tap the opposite direction you fall out of the geometry, but if you tap the direction towards the geometry you'll go in another pixel, keep tapping to continue on. keep in mind that you may not be able to get out of the level in some areas, if this happens you'll have to reset. It seems that you can only do this when going towards the right

in the final battle if you some how get Alto in the left corner before the bass cut scene plays, mega will stand inside Alto and Bass will teleport into the same spot as Mega. Due to the placement of the characters when Mega goes to shoot Bass the shot will just bounce off Alto and not kill Bass. The transformation will still happen but Bass will still be in the Arena. Bass won't do anything but he can still be hit and this will cause the animation that appears during the transformation scene normally.