Ashamedly, I have been playing Clicker Heroes. Or rather, I've been watching it play itself.

It's possibly the dumbest game ever, and it's free on Steam.

It even keeps playing itself when you close it. I.e. when you re-open it, it tells you how much you've won since you last closed it.

I just leave it in the background and giggle that it's still going.

I am on prescription opiates right now.