Goo, a wonderful little engine made their code open source (editor is what you pay for but there's a free option). I think it would be nice if someone took it on themselves to make a superpowers system for it. It would take a lot of work, but if someone is looking for something to do, it's there :).

Here's the official site and the github repo for the engine.

I checked it out. And I can say its a real wow! It have even visual scripting. Damn. I wish Supperpowers wold have visual scripting like construct 2 have. It wold be my ideal.