Left and Right arrow keys move the player.
Spacebar jumps & double jumps.
Tapping the Left Arrow Key Twice dashes to the left.
Tapping the Right Arrow Key Twice dashes to the right.
Hold down Left Shift to run.
You can also Wall Climb and Wall Jump by jumping into walls and hitting space and the direction you want to jump.
There's 3 levels currently, with 3 orange collectible boxes in each level.
I am a one-man game developer who shares the process and development here. Please follow me if you're interested in sharing that experience with me as well.