Here is the full list of all 20 Regions Of Ruin achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Your settlement is coming along nicely, fully max all buildings.
You've collected 10,000,000 gold, it's time to go swimming!
Do over 100,000 dmg in one hit.
Kill 100 Cave Creatures, who you gonna call?
Do over 10,000 dmg in one hit.
Kill 10 enemies in one attack.
Block over 1,000 DMG from one hit.
Kill 1,000 Rabbits, no remorse for vermin.
Deflect 1,000 Projectiles, so how many home runs?
Take 10,000 arrows, be one with the porcupine.
It seems that you have found yourself a money tree! You've collected 1,000,000 gold.
Max out T3+ stockpile with raw ores.
Do over 1,000 dmg in one hit.
Do over 100 dmg in one hit.
Back Stab 100 Enemies
Block over 100 DMG from one hit.
Kill 100 Goblins, at least the air smells nicer now.
With all that hard work, you have finally gathered 10,000
Stun 10 enemies in one attack.
Kill 100 Rabbits. More meat for the stove.