Resident Evil: The Darkside Chronicles HD Collection Walkthrough Gameplay Playthrough Biohazard. Playing the Secret Mode, zombies are replaced as Tofu. Secret mode starts from the R.P.D.'s courtyard to the crashed truck that appeared at the beginning of Resident Evil 2. And earning the trophy: Tofu Smack Down. Level: Resident Evil: 2 Sectet Mode: Tofu. |--| Playlists:.