Resident Evil 2 codes: All locker and safe codes in RE2 Remake. Dave Aubrey. ... Greenhouse control room drug testing lab: 5, 8, 3, 1. Written by Dave Aubrey on behalf of GLHF. List.

The Drug Testing Lab follows on finding both Greenhouse Control Room code locations in Resident Evil 2. There you'll have to solve the Dispersal Capsule puzzle, and also pick up a new key item ...