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