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