Here is the full list of all 32 Dungetris achievements.
Complete the first world
Kill 50 elite monsters
Collect 1000 coins
Collect 50 materials
Upgrade 20 cards to max
Open new character
Kill Loic
Upgrade 10 cards to max
Die of Astral teleport
Kill 20 elite monsters
Build 1000 blocks
Achieve the level 10
Rescue the smith
Kill 5 elite monsters
Kill 100 monsters
Break the weapon
Kill 50 monsters
Full hand of cards
Contract with Death
Kill an Evil Chest
Build 100 blocks
Die for the first time
Kill 10 monsters
Build the first castle
Gain a new level
Build 4000 blocks
Complete 3 worlds
Build a roof
Kill the shopkeeper
Die in less than 5 seconds
Complete High Scaur
Complete Sleepy Hollow