Here is the full list of all 39 HELLDIVERS achievements.
Fully upgrade all non DLC Weapons and Stratagems.
Kill 100,000 enemies.
Achieve the rank of Grand Lord (Rank 25).
Use the Reinforce Stratagem while downed and the last Helldiver alive on a difficulty 8 or higher mission with 4 players.
Complete a mission with over 300 shots fired and 80% accuracy or better.
Complete a difficulty 7 or higher mission without triggering any alarms.
Kill a Bug Tank with a Resupply Stratagem Hellpod.
Kill a Bug or Illuminate assassination target by running it over with the APC or HAV.
Defeat an Illuminate Great Eye.
Complete a difficulty 4 or higher mission in 5 minutes or less.
While in melee range from a Cyborg Warlord, use the "NO" communication command.
Kill an Illuminate Obelisk while it is closed.
Complete a mission using only Stratagems.
Defeat a Bug Hive Lord.
Face each new enemy once.
Play at least once against all enemy races.
Complete at least one planet in a successful Galactic Campaign.
Take part in a successful final assault on an enemy's home planet by completing at least one mission.
Do 25 capespins in a row, without moving, while on the ship bridge.
Take part in a successful defense of a capital city by completing at least one mission.
In a 4 player game, on a Friday, have all players sitting in an APC or HAV at the same time.
Kill 10,000 enemies.
Kill a Bug Tank, Bug Behemoth, or Cyborg IFV by having the extraction shuttle land on it.
Complete a difficulty 7 or higher mission against the Cyborgs without taking damage from any enemy.
Defeat a Cyborg Siegemech.
Complete all missions on a planet with difficulty 10 or higher.
Destroy a Bug Nest, Cyborg AA, or Illuminate Beacon with anything but the NUX-223 Hellbomb.
Complete a volcanic type planet of difficulty 5 or more.
Kill 7 enemies within a very short time using only your primary weapon.
Achieve the rank of Captain (Rank 13).
Extract from a difficulty 8 or higher mission with 4 players where all 4 get on the shuttle.
Complete a difficulty 10 or higher mission without a single death.
Successfully complete an escort objective where all 4 NPCs survive.
Achieve the rank of Sergeant (Rank 7).
Play at least once on a desert, a forest, and a snow planet.
Join another game through the matchmaking system.
Complete a mission.
Customize your character.
Finish the Training.