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