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