Here is the full list of all 53 Cursed Treasure 2 achievements.
Get BRILLIANTS for the day missions 1-3.
Cage 50 enemies with the Stasis Scroll.
Collect 100 mana potions.
Defeat 50 champions.
Scare off 100 enemies.
Defeat the Arch Druid.
Collect 10,000 gold picking up coins.
Cut down 100 forests.
Defeat an invisible Ninja.
Achieve rank 10.
Defeat the High Priest.
Upgrade a tower to the 5th rank.
Defeat a flying enemy in flight.
Get BRILLIANT for a night mission.
Defeat the General.
Defeat an armored Knight.
Upgrade any skill to the max (up to 5th rank).
Defeat an enemy carrying a gem.
Upgrade a tower to the 3rd rank.
Get BRILLIANT for a day mission.
Defeat a champion.
Defeat the Archmage.
Defeat the King.
Defeat the Barbarian Queen.
Defeat the 7th boss.
Defeat the Dwarf Kings.
Get BRILLIANTS for the day missions 4-6.
Get BRILLIANTS for the day missions 7-9.
Get BRILLIANTS for the day missions 10-12.
Get BRILLIANTS for the day missions 13-15.
Get BRILLIANTS for the day missions 16-18.
Get BRILLIANTS for the day missions 19-21.
Get BRILLIANTS for the day missions 22-24.
Get BRILLIANTS for the night missions 1-3.
Get BRILLIANTS for the night missions 4-6.
Get BRILLIANTS for the night missions 7-9.
Get BRILLIANTS for the night missions 10-12.
Get BRILLIANTS for the night missions 13-15.
Get BRILLIANTS for the night missions 16-18.
Get BRILLIANTS for the night missions 19-21.
Get BRILLIANTS for the night missions 22-24.
Achieve rank 20.
Upgrade all the skills of a race to the max.
Defeat 5 enemies with one meteor.
Seize buildings 200 times.
Damage 50 enemies with the Thunder Scroll.
Turn 50 enemies into chickens.
Defeat 2000 common enemies.
Make 100 mines (poisonous, energy or volcanic) of the enemies.
Remove the Charm from the towers using Terror spell 100 times.
Complete levels 16, 17 or 18 without destroying any Sacred Stones.
Defeat 50 Divers while underwater.
Find treasure chests on levels 19, 20 and 21.