We've written a lot on the subject of battle royale games. There's a reason for that, and the reason is people love them. There's a unique sort of universal appeal to the concept, despite it being so wacky-sounding on paper. Because of that, tons of developers have been experimenting in the space, including with major IP such as Call of Duty and even Tetris. And since Tetris 99 is so dang good, perhaps there's plenty of room for more weird spinoffs and ideas. So, here's a list of wacky ideas that totally had tons of thought put into them. So  much thought.