Jeu
Area 51
Discover a secret room.
83
pts
Peacenik
Finish a level without killing any enemies.
83
pts
Sabotage
Destroy all the fuel in the fuel depot. (Level 21)
77
pts
Speedrun
Complete any level in less than 20 seconds.
67
pts
Step Back From The Brink
Complete the game. (32 levels)
50
pts
Rampage
Kill 20 or more enemies on any level.
45
pts
Cold War PhD
Answer 20 trivia questions correctly.
43
pts
Genius
Answer 10 trivia questions correctly.
23
pts
Stealth Bomber
Complete any level without setting off any alarms.
12
pts
World Historian
Answer 3 trivia questions correctly.
9
pts
Break The Ice
Complete a level.
5
pts