Here is the full list of all 44 SteamWorld Quest: Hand of Gilgamech achievements.
Defeat a certain boss before it can use Hell's Tokamak.
Deal a total of 100,000 Arcane damage.
Perform 100 Tag Team Combos.
Have 12 instances of negative status conditions affecting foes at the same time.
Play six cards from your hand in one turn.
Deal 20,000 or more damage with a single hit.
Heal a hero from less than 5% health to full with a single card.
Raise a hero's Strength bonus to +7 grades or more.
Inflict Burn, Bleed, Poison and Despair on the same enemy.
Complete the Midas Grand Prix.
Deal a total of 100,000 Frost damage.
Complete the Abyssal Cup.
Defeat Mechathiranos.
Defeat the Dark Lord.
Evade attacks 50 times.
Deal a total of 100,000 Storm damage.
Loot all treasure chests.
Heal a total of 50,000 points of health.
Deal a total of 100,000 Physical damage.
Craft every punch card available at the mysterious merchant's.
Defeat the Teras Koloss.
Scrap three enemies with a single card.
Deal a total of 100,000 Fire damage.
Spend 10 Steam Pressure on a single card.
Complete the Coglin Cup.
Break 250 world objects.
Defeat Headmistress Hyapathia.
Recruit Tarah & Thayne.
Fully upgrade a punch card.
Upgrade a punch card.
Defeat Captain Canary and the Narcassian Dragon.
Spend 10,000 gold.
Recruit Orik.
Hit innate elemental weaknesses 100 times.
Perform 100 Heroic Chains.
Redraw cards 100 times.
Loot 10 treasure chests.
Craft a punch card.
Buy an item from the traveling merchant.
Use a recovery item in battle.
Find a secret room.
Recruit Galleo.
Change a hero's deck.
Defeat Gomphus.