Ghostbusters: The Video Game
51 Achievements
19-23h
PS3
Somebody Saw a Cockroach on 12
Complete the 'Return to the Sedgewick' level. Details for this achievement will be revealed once unlocked
40.5%
How to unlock the Somebody Saw a Cockroach on 12 achievement in Ghostbusters: The Video Game - Definitive Guide
Simply follow the story mode till you are brought back to the Sedgewick (i.e. the second time not the Slimer chase). Complete the level and the chieve is yours. Nice and easy. Happy ghost hunting!