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