The Ball used to be a mod for Unreal Tournament 3, but its concept turned out to be neat enough to warrant a full retail release on Steam
https://kotaku.com/red-orchestra-developers-go-full-circle-with-the-ball-5587064
This is the game’s latest trailer, showing the kinds of puzzles (and battles) you can expect, and I’m sold. Then again, I’m normally sold on anything that includes zombie monkeys and giant balls.
