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