Here is the full list of all 34 SteamWorld Dig 2 achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Sell $10,000 worth of resources.
Survive the Ultimate Trial.
Collect 15 resources with your Hook Shot.
Collect 42 artifacts.
Find all missing Yonker brothers.
Do not trigger the alarm in Vectron more than twice.
Sell $2,500 worth of resources.
Collect 25 artifacts.
Travel a distance of 100 tiles horizontally without touching the controls.
Complete 20 challenge caves.
Hit 15 flyers with your Hook Shot.
Kill an enemy with its own projectile.
Collect 10 artifacts.
Kill two enemies with one crushing rock.
Finish the game with a gold star in the Wealth category. Get filthy rich!
Finish the game with a gold star in the Secrets category.
Finish the game with a gold star in every category.
Finish the game with a gold star in the Deaths category. You can’t even die once, buddy!
Destroy all devices without entering Vectron.
Finish the game with a gold star in the Time category. How fast is that, exactly? It’s up to you to find out!
Leave the Earth with your companion in tow.
Collect 10 Silver ore resources.
Buy all upgrades available at the workbench.
Upgrade your lamp to the highest level possible.
Reach experience level 14.
Escape the grasp of Vectron.
Upgrade your armor to the highest level possible.
Upgrade your backpack to the highest level possible.
Upgrade your pickaxe to the highest level possible.
Defeat the Great Prophet.
Complete 5 caves.
Discover the last refuge of a fallen civilization, The Oasis.
Enter Yarrow and discover a strangely verdant area.
Defeat the first boss.