That's a lot of them, and only 4 of us
Complete every campaign level with a full team of four players.
5/8/2021
7:02:31 PM
Ultra Rare 1.0%
This is no Sunday School picnic!
Complete the Campaign on Hard difficulty.
5/8/2021
7:02:23 PM
Ultra Rare 1.3%
You're all going to die down here
Complete Hell Base! on any difficulty.
5/8/2021
6:20:12 PM
Very Rare 9.6%
All roads lead to Rome
Complete All Roads Lead To Hell! on any difficulty.
5/8/2021
5:06:54 PM
Rare 10.3%
All of this has happened before…
Complete Molten Nightmare on any difficulty.
5/8/2021
3:52:05 PM
Rare 11.7%
Groovy
Change your characters appearance, such as with a hat or costume.
5/8/2021
12:33:35 PM
Rare 43.3%
What did you say, Blain?
Complete 4 level sections without using a medkit.
5/8/2021
11:35:31 AM
Rare 12.2%
Got your back
Kill 50 enemies that are actively attacking other players.
5/8/2021
11:21:51 AM
Rare 10.8%
