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