Hey thanks for playing! Unfortunately I wasn't able to squeeze the controls in-game, but you can read them on the main page - I've split them into gamepad and keyboard players 1 & 2 for reference.
Controls
Move
Gamepad: Left Stick / D-Pad
Keyboard 1: WASD
Keyboard 2: Arrow Keys
Primary Attack
Gamepad: A (South Button) / Y (North Button)
Keyboard 1: Spacebar / J / Q
Keyboard 2: Numpad 0 / Z / Enter
Secondary Attack
Gamepad: B (East Button) / X (West Button)
Keyboard 1: E / K
Keyboard 2: Numpad Enter / X
Human Attack
Gamepad: Select
Keyboard 1: R / U
Keyboard 2: Numpad + / C