Great for making YouTube videos.
Basically a glorified Forge mode that you'd see in any average John Shrekinson game, but specifically meant to simulate 1v1 battles and other two-person interactions!
Use the "Player Weapon Template" object to design weapons or handheld items. Then use the select tool in the Sprite Editor to copy paste it into the Player 1 or Player 2 weapon objects. Remember to erase all the green parts of the template. If your weapon or item is green, recolor the template before drawing so you aren't confused.