I was lucky enough to be pretty in the dark about this game beyond the premise. I knew Green Hill came back but that's pretty much it. I got the game as soon as I was able to, with my brother getting a copy at the same time so we could play through the game together. We played simultaneously and gushed about all the cool things to each other. The level design was pretty much what I've been wanting out of a 2D game, with the bosses and storytelling being disappointing. After beating the game we both got to work speedrunning Oil Ocean 1, of all levels. We had tons of fun finding and sharing improvements with each other.