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