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