World eighty-three is very small, but tricky stage, with boxes put in corners.
Step by step solution
Go LEFT, push DOWN and DOWN. Go RIGHT, RIGHT, push DOWN and DOWN.
Go LEFT, push LEFT, go RIGHT, RIGHT, UP, UP, LEFT, LEFT, push DOWN and DOWN.
Go UP, UP, UP, UP, RIGHT, RIGHT, push DOWN, DOWN, DOWN, go UP, LEFT, LEFT, DOWN, DOWN, RIGHT and push RIGHT.
Go LEFT, LEFT, UP, LEFT, LEFT, LEFT, DOWN, DOWN, RIGHT and push UP. Go LEFT, UP, push RIGHT and RIGHT.
Go LEFT, DOWN, push RIGHT and RIGHT.
Push UP, UP, go RIGHT, RIGHT, DOWN, DOWN, push LEFT, LEFT and LEFT.
Go RIGHT, RIGHT, RIGHT, UP, UP, UP, UP, LEFT, LEFT, push DOWN, DOWN, DOWN, go LEFT, DOWN and push RIGHT.
Go LEFT, UP, LEFT, LEFT, DOWN and push RIGHT.
Go UP, RIGHT, RIGHT, UP, RIGHT, RIGHT, UP, push LEFT, go UP, LEFT, push DOWN and DOWN.
Congratulations. You have completed world eighty-three. Get ready for world eighty-four.
For this world, the solution for Shove It! - Room 40 works as well.