Yeah, the NUC form factor is going to be closest to what OP is looking for. My only concern is the desire for games, I don't think there are very many tiny PCs

Yeah, the NUC form factor is going to be closest to what OP is looking for. My only concern is the desire for games, I don't think there are very many tiny PCs that are also capable of excellent gaming—if it's just steam library history, I bet these will still do okay with their integrated graphics.