78-28 is a Synth mentioned in Fallout 4. Background[edit] 78-28 works for The Institute, stationed at Site Gamma as a member of group G2199. Alongside R6-01, and K2-90.[1] Appearances[edit] 78-28 is mentioned in Fallout 4. References[edit] ↑ The Institute Terminal Entries; Robotics terminal, Surface Work Crew Tracking Categories: Fallout 4 mentioned-only synth charactersInstitute charactersInstitute Robotics members