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