Here is the full list of all 54 Spiral Knights achievements. It takes around 200 hours to unlock all of the achievements on Windows.
Unlock and fill every equipment slot.
Complete a Tier 3 expedition without having to revive.
Travel the entire Clockworks from depth 0 to depth 29 in a single expedition.
Travel the entire Clockworks from depth 0 to depth 29 in a single expedition without having to revive.
Amass 10 shields in your Arsenal.
Amass 10 bombs in your Arsenal.
Amass an Arsenal that includes a 5 star helmet, armor, shield, gun and bomb.
Amass 10 helmets in your Arsenal.
Amass 5 bombs in your Arsenal.
Alchemize 50 items.
Amass 10 armors in your Arsenal.
Complete a Tier 2 expedition without having to revive.
Alchemize a 5 star item.
Amass 10 guns in your Arsenal.
Hit an opponent with a snowball in Lockdown.
Descend to the Core Terminal.
Defeat Lord Vanaduke in the heart of the Firestorm Citadel.
Amass 5 armors in your Arsenal.
Earn clearance to explore Tier 3 of the Clockworks.
Amass 10 swords in your Arsenal.
Alchemize 25 items.
Amass 5 helmets in your Arsenal.
Amass 5 guns in your Arsenal.
Defeat the Roarmulus Twins.
Alchemize a 4 star item.
Amass 5 shields in your Arsenal.
Pay a visit to Emberlight, the town of gremlin outcasts.
Defeat the Royal Jelly squatting in the Royal Jelly Palace.
Complete a Tier 1 expedition without having to revive.
Alchemize 10 items.
Amass 3 guns in your Arsenal.
Alchemize a 3 star item.
Amass 3 bombs in your Arsenal.
Amass 5 swords in your Arsenal.
Alchemize 5 items.
Earn clearance to explore Tier 2 of the Clockworks.
Obtain a Firecracker bomb.
Amass 3 armors in your Arsenal.
Power up a derelict Mecha Knight.
Use 10 Health Capsules.
Amass 3 helmets in your Arsenal.
Alchemize a 2 star item.
Amass 3 shields in your Arsenal.
Pay a visit to Moorcraft Manor.
Defeat the fabled Snarbolax that lives deep within the Gloaming Wildwoods.
Use 10 Remedy Capsules.
Amass 3 swords in your Arsenal.
Alchemize a 1 star item.
Build an item to heat level 10.
Revive a downed party member.
Reach the first Clockworks Terminal.
Revive yourself.
Cross the chasm into Haven.
Successfully reach the Rescue Camp.