Some hints for non-gamers
Racoon City is the location of the first zombie outbreak in Resident Evil.
Super Bug is the in game pest control company in GTA V. The characters use them as disguised for a robbery.
The Minecraft creep is on the Minecraft t-shirt.
The Bioshock T-shirt is a reference to one of powers available in the game.
That's the pigs on the Angry Bird T-shirt.