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.
Be injured in all limbs at the same time.
While using a jump pack, knock yourself into a ragdoll state.
Complete a full Extreme difficulty Blitz mission and extract in under 6 minutes.
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.
Provide assisted reload for a teammate.
Upgrade all ship modules at least 1 level.
Extract with at least 15 common samples.
Reach max level on one ship module.
Kill 5,000 enemies.
Throw back a live grenade.
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.
Kill a target at a distance of over 100m.
Complete 10 tactical objectives.
Fire at least 150 rounds in one burst, killing at least 10 enemies.
Kill 25 enemies with one stratagem.
Heal another player using stims.
Kill a Charger with a resupply pod.
Fly at least 25 meters from the shockwave of an explosion.
Complete a mission but fail to extract.
Complete a Stalker Hive tactical objective.
Play 1 Bug Mission.
Defeat a Bile Titan
Kill 100 enemies using fire damage during the same mission.
Kill 150 enemies during the same mission.
Kill a bug warrior with a shotgun within 1 meter.
Customize your Helldiver with new cape, armor, and helmet.
Extract with a full team on a Hard difficulty or more mission.
Play a planet defense mission.
Play 1 Bot Mission.
Extract after the timer reaches zero.
Extract from a mission during nighttime.
Defeat a Hulk.
Complete Basic Training.