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://lastchance.cc/red-orchestra-developers-go-full-circle-with-the-ball-5587064%3C/a%3E%3C/p%3E
This is the gameās latest trailer, showing the kinds of puzzles (and battles) you can expect, and Iām sold. Then again, Iām normally sold on anything that includes zombie monkeys and giant balls.