Use arrow keys to move. UP to jump. AS you are pushed against a wall in the air you will wall slide. WHILE you are wall sliding, press up to wall jump. TIP: YOU CAN WALL JUMP BACK TO BACK!
CREDITS: GRIFFPATCH FOR TUTORIAL Stage Design (excluding stage 2) ME Stage 2 Design, GRIFFPATCH e(digit) = what episode I'm on btw i thought of the e1 or whatever before griffpatch recommended it