Here is the full list of all 50 Shovel Knight Dig achievements.
Help Altius in three locations in the Mushroom Mines.
Defeat an enemy with the Flameo Wand from more than 8 blocks away.
Deflect a Throwing Trowel to defeat 3 enemies.
Finish a world without eating any food.
Use the Gusteo Wand to push an enemy into a hazard.
Finish the game.
Finish the game without spending any gems.
Defeat 5 foes at once using the War Horn.
Defeat Hive Knight without hitting Fleck.
Acquire a new set of armor.
Emerge unscathed from a battle with any Hexcavator.
Spend a combined total of 20000 gems in the shops at the surface.
Choose 5 risky paths at the bottom of the well.
Finish off Spore Knight with her own hat.
Have two different follow pets at one time!
Discover 20 secret rooms along the well's sides.
Electrocute 3 enemies at once.
Clean off a Mud-Encrusted Relic without using it.
Hatch 5 creatures from eggs.
Wield 5 relics
Open the Drill Capsule 10 times.
Find all the secrets in one world.
Collect all 9 cogs in a world.
Dig through the Mushroom Mines.
Finish any stage without taking damage.
Defeat an enemy as Tiny Shovel Knight.
Complete the tutorial
Buy your first item.
Post a score on the Leaderboard.
Have 20000 gems on hand.
Defeat 12 enemies in a row using the Shovel Drop without touching the ground.
Earn every Shovel Blade technique from Master Argus.
Run over 5 enemies using the Mobile Gear Drill in one go.
Descend 50 blocks in a Coffer of Safekeeping.
Defeat a boss with a level 5 Morph Lance.
Freeze Dozedrake with the Blizzeo Wand.
Retrieve a money bag using the Reverse Exa.
Defeat 2 enemies with one cast of the Shadow Locket.
Absorb 3 hits using the Bubble Frog.
Defeat 3 enemies using the Rising Dagger without hitting the ground
Don't collect any gems in one stage.
Finish a level and swing the Shovel Blade fewer than 3 times, including digging.
Use a glass key acquired from a previous world in a new world.
Beat the game without using any relics.
Beat the game within 25 minutes.
Purchase or unlock all relics, armors, and accessories.
Defeat an enemy using 5 different relics.
Finish the game having seen every world in one run.
Disable the Omega Saw.
Hit Master Argus with a surprise attack.