Here is the full list of all 32 Dungeon Warfare 2 achievements.
Complete all Mission Objectives in the game
Clear all stages
Clear 20 Ethereal Maps
Defeat the Twin Shieldmasters
Kill the Dr.Balanced
Hex a Harbinger of Plague Spawn
Defeat the Harbinger of Plague
Clear any Labyrinth 10 times
Obtain a Unique Map
Defeat the Archmage
Kill 100,000 Enemies
Kill the Mysterious Challenger
Transmute nine Unique Items
Clear a Map with at least 10x XP Multiplier
Unlock a new Map by clearing an Ethereal Map
Have Arcstone Lightning jump 50 times
Start a Battle with at least 100 Life Penalty from Runes
Reach 500% Damage Bonus with Dart Trap using Soulsteal Trait
Kill 50 enemies with Portal Guardian
Create a Rare Rune with Transmute
Deal 1,000,000 Damage
Use an Ethereal Map
Put at least one Skill Point in every single Skills
Earn 5000 Gold with Looting Skill
Unlock all Traps
Clear a Map with nine Unidentified Runes
Obtain 10 Unique Items
Destroy a Tomb
Obtain a Unique Rune
Obtain a Unique Item
Kill a unit by placing a Barricade over it
Rush at least five waves consecutively