Here is the full list of all 35 Dungeon Warfare achievements.
Clear all stages with six or more runes on
Kill the Dr.Balanced
Kill 20 units with a single bomb minecart explosion
Beat a custom map
Repair a 1 hp door
Kill 10 units with a single bomb
Clear stage with 30 or more frogs in the dungeon
Clear stage 'First Blood' without spending any gold
Kill the Mysterious Challenger
Kill 50 units with Barricade in a single game
Reach wave 30 in endless mode
Clear any stage with all runes on
Pull 20 units with a single Blackhole Trap simultaneously
Kill a chilled unit
Clear a stage with 8 runes activated
Reach player level 30
Build 5 lightning traps
Clear stage 'Gold Rush' without using the Repair Kit
Earn 1000 gold with a single soul harvester
Reach trap mastery level 20
Summon 50 demons
Upgrade a trap to tier 3
Reach 200 kill streak
Kill 50 units with a single boulder
Pull a unit with four harpoons simultaneously
Kill a unit by placing a Barricade on it
Kill a unit by pushing it off to a pithole
Clear a stage with only one life remaining
Call all waves early on a stage