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