Zombrex posters are posters advertising the drug Zombrex in Dead Rising 2 and Dead Rising 2: Off the Record. There is a total of 33 Zombrex posters located throughout Fortune City. They are found either hung on walls or in free-standing advertising displays in the middle of the malls. Every poster that Chuck spray paints earns 1,000 prestige points. Spray painting all 33 Zombrex posters awards Chuck with an additional 300,000 prestige points and the Improper Behavior achievement/trophy.