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