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