1 |
|
29.50%
|
Quad Damage: Kill four enemies at once with an explosive. |
012 |
2 |
|
21.80%
|
Laboratory Basement: Survive the third campaign level. |
002 |
3 |
|
14.60%
|
Observatory: Survive the fourth campaign level. |
003 |
4 |
|
9.30%
|
Tubthumping: Survive ten waves in a survival map. |
015 |
5 |
|
7.80%
|
Storm Drain: Survive the fifth campaign level. |
004 |
6 |
|
5.40%
|
Reservoir: Survive the sixth campaign level. |
005 |
7 |
|
4.70%
|
Bridge: Survive the seventh campaign level. |
006 |
8 |
|
4.10%
|
Sangamon Forest: Survive the eight campaign level. |
007 |
9 |
|
3.60%
|
To The Teeth: Acquire all guns and upgrades in campaign mode. |
016 |
10 |
|
3.10%
|
Peoria Caverns: Survive the ninth campaign level. |
008 |
11 |
|
2.90%
|
Radio Tower: Survive the final campaign level. |
009 |
12 |
|
2.80%
|
Smile, You Son of a...: Blow the head off of something large and toothy. |
014 |
13 |
|
2.20%
|
Fireworks Factory: Acquire 200 throwables in campaign mode. |
018 |
14 |
|
1.40%
|
Overkill: Acquire all guns and upgrades in a survival game. |
017 |
15 |
|
0.40%
|
Ammo Conservation: Survive a nighttime campaign level using only the knife. |
019 |