5 stars: So much to do, very well made and does not withhold content to people who pay. Everything is obtainable with time. I have had and am having so much fun playing, guilds really make it enjoyable. I can only really say one negative thing about it and that is that it's UI is not entirely intuitive, there's a lot of content that is somewhat hard to find.
5 stars: So one of the worst things about games are how fast they get boring. This is probably 100x worse dealing with repetitive idle games. So if you are looking for an idle game that keeps things exciting, try Crush Them All! The game has enough to it to keep things interesting for beginners for a long time. But GodziLab is CONSTANTLY releasing new characters and new challenges such as the recently added
4 stars: It's a really well paced idle game, definitely near the top of my list. The premium currencies are pretty easy to get in small amounts, but you still have to save up for a bit to buy more expensive items. My only problem is how difficult it is to upgrade the Library at higher levels. I'm over 200 past my previous record, and I've gotten only one upgrade orb. All in all, though, it's a really well made game. 4 stars.
3 stars: Advertised as a game where it upgrades while AFK, which is in fact a total lie. That cost them one star. The gameplay is actually not bad, and the characters are designed well enough for what they are. Be prepared to spend forever grinding if you don't want to pay for microtra...