A few screenshots of areas created for L4D2 where players have to survive an zombie apocalypse by travelling from one safe house to the next.

1. Game World Creation
By
Stuart Stevens

2. Office Entrance

3. Flooded Underground Lab

4. Flooded Underground Lab

5. Flooded Underground Lab

6. Private entrance to the Subway

7. The Subway

8. The Subway

9. The City

10. The City

11. The City

12. The City

13. The Hospital

14. The Hospital

15. The Hospital

16. The Highway

17. The Sewer Entrance

18. Small town outside the city

19. Small town outside the city

20. Warehouse

21. Warehouse

22. Warehouse

23. Park

24. Park

25. Park

26. Military Checkpoint

27. The Mall

28. The Mall

29. The Mall

30. The Mall

31. The Mall

32. The Mall