- The Belly of the Beast
Reach the cargo area in Mayday in Regular or Hardcore difficulty.
- Come Up For Air
Reach the top deck in Mayday in Regular or Hardcore difficulty.
- Survived Mayday
Kill the Kraken for the first time in Mayday in Regular or Hardcore difficulty.
- Upping the Ante
Kill the Kraken using a Relic in Mayday in Regular or Hardcore difficulty.
- Mayday Completionist
Complete all Challenges and kill the Kraken in Mayday in Regular or Hardcore difficulty.
- Inquisitive Mind
Find all of the Intel in Mayday.
- Deforestation
Kill 15 Seeder Turrets in one game in Mayday in Regular or Hardcore difficulty.
- Big Game Trapper
Use a hypno trap to turn a Rhino friendly in Mayday in Regular or Hardcore difficulty.
- Egg-stra Devastation!
Complete the Egg-Stra XP challenge and then destroy a hive in the Devastation DLC package.
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- The Architect
Successfully build all of the Schematics in Mayday in Regular or Hardcore difficulty.