Successfully complete the indicated task to unlock the corresponding challenge. You will have three minutes to do most of the challenges.

1. Two Roads	Get 20 kills.
2. On the Run	Get 2 melee kills, 3 grenade kills.
3. Storming the City	Get 20 kills, 50% accuracy, 2 melee kills.
4. Wrecking Crew	Get 20 kills, 5 grenade kills, 50% accuracy.
5. The Fall	Get 15 kills, 5 grenade kills.
6. War Torn Streets	Get 45 kills.
7. Nuclear Secrets	Get 10 kills with PPSH-41, 5 kills with MP40, 50% accuracy.
8. Milk Run	Get 15 plane kills in less than five minutes.
9. Panzer Attack	Get 5 kills with Sten Mk 11, 5 kills with MP40.
10. Supply Lines	Get 3 grenade kills, 2 melee kills.
11. Off Target	Get 25 kills with Sten Mk 11, 50% accuracy with the Sten Mk 11.
12. Sabotage	Get 15 kills with MP44, 50% accuracy with MP44, 2 grenade kills.
13. Cornered	Get 10 kills, 5 head shots, 50% accuracy.
14. Missed Delivery	Get 20 kills.
15. Silence the Guns	Get 20 kills, 5 grenade kills, 70% accuracy .
16. Into the Jungle	Get 3 grenade kills, 2 melee kills.
17. Beach Landing	Get 10 kills, 5 head shots, 50% accuracy .
18. On the Water	Get 25 plane kills in less than two minutes 45 seconds.
19. Bloody Nose Ridge	Get 20 kills, 10 kills with Thompson, 10 kills with Type 100.
20. Into the Darkness	Get 5 grenade kills, 15 kills with BAR, 50% accuracy with BAR.
21. Castle Approach	Get 20 kills, 10 head shots.
22. Storm the Walls	Get 15 kills with Type 100, 3 grenade kills.
23. Dangerous Waters	Get 25 plane kills.
24. Two Roads	Get 10 kills, 75% accuracy.
25. On the Run	Get 15 kills, 5 grenade kills.
26. Storming the City	Get 20 kills, 15 headshots, no grenades.
27. Wrecking Crew	Get 15 kills, 5melee kills.
28. The Fall	Get 30 kills, 50% accuracy.
29. Nuclear Secrets	Get 15 kills, 5 grenade kills.
30. Supply Lines	Get 20 headshots.