That said, you can't beat a good ol' Sonic level, and Chemical Plant is one of the most well-known of them all. There's a lot to find and do across Classic and Modern Sonic levels here ...

In the original Sonic Generations ... For example, you might want to equip Breath Holder for Chemical Plant and Seaside Hill, but they'd be useless in Rooftop Run. Skill loadouts let you quickly ...