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