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