And They'll Tell Two Friends is a viral achievement.
"Play in a co-op game with either an employee of Gearbox or someone who has this achievement"
To get this achievement players need to be in a game with someone who has it or play with one of the Gearbox Software developers. The Gearbox staff are identified with the prefix GBX on their gamercard.
- The Xbox 360 achievement gives "10" gamerscore.
- The PS3 trophy gives a "Silver" trophy.
- There was a game with the Gearbox developers on Thursday, December 10, 2009.
- Some people are having trouble getting this achievement, when they play with friends that got it before GameSpy shutdown (on PC).
- The Steam version (PC) seems to work properly as of 5/23/2017.