Some players are extremely competitive or simply poor losers. Which is why [it’s good that] there are…

Some players are extremely competitive or simply poor losers. Which is why [it's good that] there are so many successful cooperative games. The problem is that not all are equally "equal" in practice.

Some games can leave players feeling like someone "stole their move" or didn't follow a course of action that led to a faster or bigger victory.

What is the least competitive co-op game?
What is the most competitive co-op game?