Here is the full list of all 38 HELLDIVERS 2 achievements. It takes around 50-60 hours to unlock all of the achievements on Windows.
Complete a full Extreme difficulty Blitz mission and extract in under 6 minutes.
Be injured in all limbs at the same time.
Have 6 orbital barrage stratagems in the same place at the same time.
While using a jump pack, knock yourself into a ragdoll state.
Fire at least 150 rounds in one burst, killing at least 10 enemies.
Complete a full Hard difficulty mission or higher without anyone firing their primary or support weapon.
Upgrade all ship modules at least 1 level.
Complete at least 100 missions.
Heal another player using stims.
Reach max level on one ship module.
Complete an Extreme difficulty mission or higher without anyone dying.
Extract at least 15 rare samples from a mission as a team.
Shoot off both arms on a Hulk and then extract while it's alive.
Defeat a Hulk.
Extract after the timer reaches zero.
Extract with a full team on a Hard difficulty or more mission.
Complete a mission but fail to extract.
Play at least 50 missions.
Defeat a Bile Titan
Complete a Stalker Hive tactical objective.
Kill 5,000 enemies.
Extract with at least 15 common samples.
Kill 100 enemies using fire damage during the same mission.
Kill a Charger with a resupply pod.
Complete 10 tactical objectives.
Throw back a live grenade.
Provide assisted reload for a teammate.
Fly at least 25 meters from the shockwave of an explosion.
Kill 25 enemies with one stratagem.
Play 1 Bot Mission.
Play a planet defense mission.
Kill a target at a distance of over 100m.
Customize your Helldiver with new cape, armor, and helmet.
Kill 150 enemies during the same mission.
Kill a bug warrior with a shotgun within 1 meter.
Extract from a mission during nighttime.
Play 1 Bug Mission.
Complete Basic Training.