Here is the full list of all 36 Kingdoms CCG achievements.
Win an arena battle spending 5 or less Mana
Deal 15+ damage to enemy Hero in one turn
Win an arena battle before turn 3
Craft 5 cards
Play 5+ cards in one turn
Win 1500 Battles
Play the game 50 times
Win 500 Battles
Win 250 Battles using Holy Heroes
Win a battle with 25+ Mana
Unlock Gate 4
Unlock Gate 3
Win 150 Battles
Play the game 10 times
Win a battle with 25+ HP
Unlock Gate 2
Win an arena battle in 15+ turns
Unlock Gate 1
Win 25 Battles
Collect a card in the “Promo” set
Unlock Gate 5
Unlock Gate 6
Win 250 Battles using Unholy Heroes
Win 250 Battles using Mystical Heroes
Win 250 Battles using Elemental Heroes
Win 250 Battles using Alchemy Heroes
Win 250 Battles using Ancient Heroes
Collect every card in the “Core” Set
Play 20+ Spell cards in one battle
Play 20+ Creature cards in one battle
Play 20+ Gear cards in one battle
Craft 25 cards
Collect every card in the “Eve” Set
Collect every card in the “Rise” Set
Collect every card in the “Tribes” Set
Craft 150 cards