Here is the full list of all 48 Yet another tower defence achievements.
Defeat Fire Lord
Sell a tower for 70% of its building cost.
Defeated for the first time
Use a upgrade ticket to max-level a advanced tower
Pass a level with 3 stars
Build a Crystal Generator
Upgrade Mini Mijolnir to max level and gain maximum attack.
Upgrade Lightning Radar to max level.
Build a Flame Thrower
Poisoned enemy hit by Catalyst Rockets
Slowed enemy hit by Tesla Canon.
A single Crossbow reduece 500 armor
Generate 1000 crystals from the Crystal Generator
Poison 20 enemies to death
Destroy Frost Guardian before it split.
Destroy Plants before they cast entwining spell.
Destroy 10 HongKong reporters.
Destroy the Lich before it summons minions
Have more than 10 minions on the map at the same time.
Trigger a poison explosion on a single enemy
Use a heart to revive yourself.
Dissipate entwine effect under a second.
Gain 200 mana crystals from trees
Catch 5 or more monsters in one net
Use Stasis Trap on bosses.
Destroy 10 or more enemies using one Meteor Shower
Teleport a boss to its spawning point.
Reduce 3 or more enemies' armor using one Dark Force
Use Death withered on a boss
Affect 3 or more enemies using one Death Withered
Use 12 or more Lightning Strikes
Freeze 20 enemies at the same time
Defeat Queen of Knives
Complete all levels in 3nd difficulty
Enter the hidden level
Pass the hidden level with 3 stars
Pass all leves in town with full health
Defeat the final boss
Get 36 stars
Use poison trap to destroy 10 enemies
Use cheat code 'greedisgood'
Let 60 enemies pass
Pause game for the first time
Destroy 100 enemies
Destroy 1000 enemies
Skip tutorial
Gather 800 mana crystals
Gather 8000 mana crystals