airplane: Baron rouge from Crimson Skies
bank: Payday
beach: Farcry
casino (all): Fallout
cathedral: Assassin's Creed Unity
cathedral-2: Uncharted
circus_tent: Monkey Island
corporate_party: Stanley Parabole
crusader_army: Chivalry
crusader_army-2: Crusader Kings 2
hospital (all): Theme Hospital
hotel: Hitman
military_base: MGS1
passenger_train: Cities In Motion
pirate_ship: Monkey Island
polar_station: Gods Will Be Watching
polar_station-2: Penumbra
police_station: STARS office - Resident Evil
restaurant: Bioshock
service_station: Deadlight
space_station: Alien Isolation
spy: TF2
spy background: XCOM
submarine: Luftrausers
submarine-2: Yoshi
theater: LA Noire
world_war_ii_squad: Call of Duty