With an interactive Buddy, anything is possible. You get to change physics, change backgrounds, play with him/her/it, and even blow him/her/it up. If you don't care much for your buddy, you can throw grenades at him/her/it. You can even knock him/her/it out with baseballs. The controls are all mouse-based. There are different options available at the top: file, skins, items, modes, settings, and help. Figuring out how everything works is half the fun so go ahead and see what you can do with your new interactive buddy.