Player 1: Use the WASD keys to move Scratch Cat. Press the Q and E keys to Rotate the Proton Pack. Press 1 to fire the beam. Player 2: Use the Arrow keys to move Classic Scratch Cat. Press the Z and X keys to rotate the Proton Pack. Press 2 to fire the beam. The beam only lasts for a few seconds and has to recharge for a while. Press T to place the trap, and then T again to activate it. All ghosts need to be trapped in one shot.
I created this latest ghostbusters game from Al Sweigart’s Tutorials, and credit to him for the Invent with Scratch Screencast.