Velocity Squared is a prototype I made in a week. What you do is up to you. Highlighted boxes can be grabbed. Throw in any direction by holding a direction and throwing.
360 Controllers: D-pad to move, A to jump, X to pick up/throw - Press in right thumbstick button to reset.
Keyboard: P1 - WASD to move, G to jump, F to pick up/throw - Press Esc to reset.
Keyboard: P2 - Arrow Keys to move, comma to jump, period to pick up/throw