Glitches

These are things in video games that are not supposed to happen.

 MAJOR GLITCHES 

You can walk off the screen, and you can't come back on.

Using Nyan Cat's Rainbow attack, and while moving use his happy explosion, the rainbow trail will not disappear until you land.

 MINOR GLITCHES 

Mario doesn't have a walking animation.

Mario's Jumping sprites only work when you are moving.