What other Sega games would you like to see get the "Mania" treatment?
I'd love to see a Streets of Rage revival so we can get the long awaited and many times cancelled Streets of Rage 4. While Streets of Rage Remake was in a way the magnum opus of the series, it was a fangame, and Sega has long forgotten the series since then. If Sonic Mania does well, and I think it will, Sega might be more open to giving some of their franchises to indie devs and fans to make new games. It could be interesting if they manage to gather some of the team that made Streets of Rage Remake and make a new game in the franchise with AAA 2D production values and the blessing and support of Sega themselves.
Other games that I'd like to see get 2D "Mania" revivals would be the whole Super Scaler arcade series such as After Burner, Space Harrier, Super Hang On, Outrun, etc, maybe all at once in some sort of Arcade Collection either in enhanced remasters of the original arcade games or new entries.
What would you like to see?