Sonic Generations | S Ranks: Crisis City Zone (Act 1)

Earning an S Rank in Act 1 of Crisis City Zone in Sonic Generations. A full walkthrough of the entire game can be found below. Sonic Generations Walkthrough: https://www.trueachievements.com/game... Act Mission S Ranks:    • Sonic Generations | Act Missions (S Rank)   Boss Battle S Ranks:    • Sonic Generations | Boss Battles (S Rank)   Classic Sonic Challenges:    • Sonic Generations | Classic Sonic Challeng...   Modern Sonic Challenges:    • Sonic Generations | Modern Sonic Challenge...   Red Star Rings:    • Sonic Generations | Red Star Rings   Misc Achievements/Trophies:    • Sonic Generations | Misc Achievements/Trop...