If the web player runs choppy try a standalone version.

This is a platformer that exists in 2 worlds. The first world being the most visible world, the second being the one you see behind your cursor and player. Holding down the left mouse button allows you to interact with the 2nd world instead of the first world. The 2nd world is similar to the first but differences will allow you to walk across gaps or go through walls you wouldn't normally be able to. The catch is that you can only be in this 2nd world for a total of 10 seconds per level, so use your time carefully.

pro tip : If you get stuck, hit r. All levels can be won.

Controls
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a and d or left and right arrow keys for horizontal movement
spacebar for jump
left mouse button to interact with 2nd world
r to restart
s to clear on screen messages
n to skip to the next level
b to go to the previous level