Full list of all 42 Block Tower TD achievements.
The base game contains 29 achievements, and there are 3 DLC packs containing 13 achievements.
Win on Easy difficulty
Kill 10000 monsters
Kill 1000 monsters
Kill 100 monsters
Build 300 Crossbow
Build 150 mage
Builld 75 Shock
Build 75 Star
Build 125 Elf
Build 75 Speed Tower
Build 50 Freez
Build 100 Bombardier
Build 100 Catapult
Build 100 Shredder
Win on Medium difficulty
Win on Hard difficulty
Win the game by unlocking all towers on Medium or Hard difficulty
Win with 10 Libraries on Medium or Hard difficulty
Win with 5000 Wood income on Medium or Hard difficulty
Win with 4500 Stone income on Medium or Hard difficulty
Win with 10000 Gold income on Medium or Hard difficulty
Win with 150 mana regen on Medium or Hard difficulty
Win a game without building Elves on Hard difficulty
Win a game without building any mana tower on Hard difficulty
Win on Easy difficulty Crimson Map
Win on Medium difficulty Crimson Map
Win on Hard difficulty Crimson Map
Build 100 Sentinel
Buidl 50 Spiral
Win on Easy difficulty on the Ash Map
Win on Medium difficulty on the Ash Map
Win on Hard difficulty on the Ash Map
Build 25 Golems
Build 25 Replicators
Win on Easy difficulty on the Elven Map
Win on Medium difficulty on the Elven Map
Win on Hard difficulty on the Elven Map
Build 10 Arcane Towers
Build 10 Shrapnels
Win on Easy difficulty on the Plateau Map
Win on Medium difficulty on the Plateau Map
Win on Hard difficulty on the Plateau Map