Been doing this for years now, it's great! The only downside is if you're looking for a popular title, you'll likely end up waiting a couple weeks.
But it's super easy to just take something else out while you're waiting and react when your book is available
The demo felt pretty good. I only needed a short time with it to realize I'd probably end up grabbing it. Reminded me a lot of steel rising which was a pretty decent experience.
Rolled the credits on this yesterday - fantastic game with some really engaging bosses. An improvement on the first in almost every way, and I'd highly recommend it!
The author of relay put out a post saying that it'll keep going for free while he decides what the subscription model is going to look like - it's the top post in the sub ATM.
Was surprised with that choice, but it doesn't change anything - not using it anymore regardless