I've updated Trabae.
Here is a simple list of what's new:

Local Co-op Added
Customizeable controls (Jump and Switch Gravity only(and only Alpha Numeric characters(A-Z 0-9(whoa, quadruple parenthesis))))
Improved Level Selecter
Improved Level Editor (You can now make Co-op levels) 

Head over to the GameJolt page to read more.
Trabae GameJolt Page