Here is the full list of all 22 Deep Rock Galactic: Survivor achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Deal 250000 Fire damage
Unlock the Gunner
Collect 250 Nitra
Collect 250 Gold
Deal 250000 Cryo damage
Unlock the Scout
Unlock the Driller
Unlock the Engineer
Reach 75% crit chance
Reach 300 Max HP
Reach 50% move speed
Reach 75% reload speed
Collect 2000 Nitra
Dodge 100 times during a run
Kill 15000 aliens while standing still
Spend 20000 Gold
Take 2000 damage during a dive
Deal over 1337 damage in one attack
Collect 2000 Gold