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