Try to unravel the mystery behind the mysterious test facility you stumbleupon. Take the role of an research scientist. Action-shooter hybrid that an element of Metroidvania. Paradox Soul has two different ending depending on each path your take. It is beautifully done in a pixelated artwork.
As Always, Good Luck and Have Fun.
Tip* HOLD the shoot button to shoot (you can walk back whilst aiming in the opposite direction whilst shooting).
Once you unlock the double jump note that it is pressure sensitive (the longer you hold jump the second time, the higher you go).