One Pixel Maze

You are dropped in a hedge-maze containing multiple keys.
When all keys are collected you will advance to the next level and the maze will grow by two tiles
Try to complete as may levels as possible.

Controls

Action	Key	Key (alt)
Move Forward	Up	W
Move Back	Down	S
Rotate Left	Left	A
Rotate Right	Right	D

Tile Types

Tile Type	Color
Wall	Green
Key	Yellow

Tips

You probably want to track where you are in the maze and which tiles are which.
This can be done on graph paper.
A dot represents explored empty space and a 'X' is a wall.
(see image below)

Good luck :)