Just finished this game as part of Sonic Origins which I'm gamesharing with a friend. This game is horrible. Every little bit of it feels so frustratingly designed on purpose. This game punishes you for even having a bit of speed, making it simply a very slippery feeling platformer at most times. It also feels like they know that parts of the game suck because act 3 of the final zone is literally just Labyrinth zone again because eggman put you back to fuck with you. They knew what they were doing, I don't know if it was some sick way of making more replayability to make you wanna get the chaos emeralds, but forcing you to go back and redo stages because they're bullshit or what. I only enjoyed green hill and some small bits of scrap yard and a bit of starlight. I must also say, I would never have finished this game if this version didn't have lives. Otherwise it would've just been impossible for me. Onto Sonic CD now as that's chronological order.