First update is here with a bunch of inprovements:

- Added level 5

- Added a timer, try completing the levels as fast as possible. After completing the level you have 2 seconds to look at your time before changing level.

- Added level selection, after completing all levels you will come to a level selection menu when opening the game. You can also access it by pressing Esc.

- Added a text in the top of the screen which shows which level you are in

- Bug fixes