Win one game
+0
0%
Win five games
+0
0%
Close call
Beat a wave with less then 10 health remaining
+0
0%
Friendly fire is not tolerated
Kill a charger by a charger
+0
0%
Many more to come
Die for the first time
+0
0%
Went overboard
+0
0%
Only gets harder from here
Reach wave 5
+0
0%
Things are getting spicy
Reach wave 15
+0
0%
Only 5 more...
Reach wave 20
+0
0%