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