Here is the full list of all 93 Lost In Fantaland achievements.
Lose no more than 15 HP to defeat a Boss
Defeat Undead Shaman
Deal over 50 damage to a single enemy
Defeat Millipede
Kill 100 monsters
Mummy stabbed dead by Agave or Cactus.
Defeat the Twisted Ancient Tree
Defeat Goblin Squad
Play 5 or more cards at the same time
Warrior uses only one Punch Card to kill enemies.
Finish a battle without moving.
Kill 3 enemies with one card play
Deal over 100 damage to a single enemy
Kill a total of 20 enemies with traps
Win in one turn
Finish a battle without staying in a grid in an elite battle
Finish a battle without staying in a grid in a boss battle
Clear 3 battles in a row unharmed
Clear 4 battles in a row unharmed
Enter a battle with 5% or less HP and win
Enter more than 10 times in Chapter II
Enter more than 10 times in Chapter III
Clear the game with 18 battles or less
Use the Rest Locations for no more than 3 times to clear the game
Pass all the locations in the three Chapters and clear the game
Discard 10 cards in total
Give up Boss Artifact once and win the game
Defeat Sauerkraut Dragon
Defeat Werewolf
Defeat Frostfire Griffin
Win unharmed in battles against elite monsters
Fight against an elite monster in every chapter
Kill elite monsters with traps
Defeat the giant bear and the boy
Defeat Black Dragon Knight
Defeat a Boss with less than 3 HP remaining
Clear the game with Brave
Clear the game with Fire Mage
Total 10 times of killing 2 with one card play
Kill 4 enemies with one card play
Defeat the Rune Golem
Clear the game with Berserker
Steal HP from Werewolf
Kill 2 or more enemies at the same time with a Jump Slash.
Accumulate over 60 Fury and consume it.
Have no Move cards on you when beating the game as a Warrior.
Have 6 different Move cards on you when beating the game as a Brave
Beat the game in 40 minutes.
Use 3 or more items in one battle.
Use the Pay-to-Win item.
Destroy a Frostworm Nest.
Burn a Wild Boar to death.
Use Lunge to kill 2 enemies simultaneously.
An enemy sent flying by a Spring Trap lands right on another trap.
Use a Spike Trap to interrupt Boar Charge.
Trap Kurtos with a Bear Trap.
Have more than 12 Small Flames of Mage on the map.
Inflict 21 stacks of Burn on an enemy.
Summon 2 Fire Spirits simultaneously.
Defeat Lizard Tyrant
Defeat Mental Terminator
Carry 888+ Gold.
Finish a battle without using Offense cards.
Clear the game with Starshield Knight
Over 50 armor remaining at the start of your turn
Kill a Hedgehog with Countering Spikes.
6 or more stars exist in the battlefield at once.
Use star to kill one enemy.
Beat Ascension 1.
Play the game once with 'Chaos' content added.
Defeat the Nightmare Master : Dawn.
Defeat the Nightmare Master : Twilight.
Clear the game without using any item.
Complete the game with Electric Mage.
Use Ball Lightning to destroy a Wasp Swarm in the desert.
Place 3 charging piles in the battlefield.
Hit the only enemy in the battlefield with "Call Thunder."
Create a Ball Lightning with over 30 ATK.
Use water conductivity to kill an enemy.
Complete the game with Fengshui Master.
The Trickster passes an elite battle with no more than 3 Curse per turn.
Kill a total of 20 enemies using "Poison".
Trickster kills 2 enemies at once with "Natural Force."
Kill an enemy 7+ grids away.
Play 4 "Assassinate" cards at once as Trickster.
Trickster skips an enemy turn with "Crimson Time".
Trickster casts grenades 5 times in total.
Trickster enters "Stealth" 3 times.
Fengshui Master uses the Compass to deal 30+ extra damage.
Trickster places a trap right on an enemy 10 times.
Trickster inflicts 6 stacks of "Hit Mark" on an enemy.
Kill a boss with Skill cards only.
Have 15 cards in your Exhausted Pile.