Controls are in game tutorial. Here's a quick overview:
Press A,S,D,Left,Up,Right when prompted in adventure mode to survive the challenge.
In defiance mode, press the direction keys to move, and press the buttons "A" and "S" to do different attacks. Spacebar also jumps. IMPORTANT: To jump up between walls, just press the jump button when next to a wall to rebound, pressing the direction is NOT required.