Alternate ending

Successfully complete all Loyalty missions for every Homie before starting the "Punch The Shark" final mission to view the secret (good) ending before and during the credits. You can find the Loyalty missions under the "Quests" tab. Each quest listed with "Loyalty" in the title must be completed to unlock the secret ending. The following is a list of the Loyalty missions:
Girls Night Out: Shaundi Loyalty mission
King Of The Dance: Ben King Loyalty mission
Nytefall: Matt Miller Loyalty mission
Pump Up the Volume: Pierce Loyalty mission
SR3 Wrap-Up: Johnny Gat Loyalty mission
The Girl Who Beat Cyrus: Kinzie Kensington Loyalty mission
Training Day: Asha Loyalty mission