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