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