RCT4M Redeem Codes and troubleshooting tips. See our complete list of RCT cheat codes. Share your RCT4M friend code by commenting. Roller Coaster Tycoon 4 Mobile packs a lot of redeem codes, as you Roller Coaster Tycoon 4 Mobile is the latest version of RCT for Mobiles. For RollerCoaster Tycoon 4 Mobile on the iOS (iPhone/iPad), GameFAQs has 2 cheat codes and secrets.