It is a PC. In fact, a good PC. It runs Linux. But it’s better than a ordinary Linux PC, since it also has an amazing console UI that’s actually fun to use with a gamepad. It’s the best of both worlds, and it’s build on top of FOSS software. It’s excellent.
Yeah why would anyone pay 700 bucks for a highly restricted device, that can’t even play games online without an additional subscription. Just get a Steam Deck, which costs less, is portable, doesn’t require subscriptions, and basically works like a full PC.
Crab Champions is a fast paced PvE shooter with roguelike elements. You basically are a crab and fight through multiple waves of enimies. You collect loot to become stronger, and there are fun boss fights. It supports co-op multiplayer, and is made by a single indie developer.