Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Air patrol	Kill furry bats with familiar
Anti-Magic	Take a secret elixir from shamans
Archery	Collect arrows from the dead archers' bodies
Arrows in the dark	Defeat cave archers
Avalanche	Kill snowball jaws
Blind Rage	Defeat cave trogs
Blind Sniper	Kill mosquitoes with range weapons when blinded
Bone Crusher	Complete level 80
Cave Jelly	Defeat cave medusas
Cave man	Complete all cave levels on hard difficulty
Cave Slam	Defeat cave warriors
Deconstruction	Destroy any towers
Emergency case	Destroy glass towers with a hammer
Explosives!	Kill enemies with poison jelly explosion
Firestorm	Kill enemies with fire
Forester	Complete all forest levels on hard difficulty
Friendly Fire	Kill units with shaman magic
Ghost Buster	Catch the ghosts
Grand Raider	Complete Raid Lvl 3000
Grim Reaping	Kill enemies affected by death rune
Hard Rocks	Complete level 40
Heavy Metal	Kill armoured units
Highlander	Defeat snow shamans with a two-handed weapon
Ice Age	Destroy ice towers
Ice battle challenge	Fight snow warriors with a sword
Immortal	Complete all bone levels on hard difficulty
In the spotlight	Kill enemies under the tower's sight
Jelly Dance	Kill Explosive Jellies
Lasertag	Destroy laser towers
Longshot	Kill ice archers with projectiles
Magic Core	Destroy a skull tower
Massacre	Kill a horde of trogs
Mountainer	Complete all snow levels on hard difficulty
My precious	Find a trinket
Nightcrawlers	Defeat cave wolves
Path of Ice	Kill bone units by Barbarian with Ice damage
Path of Lightning	Kill bone units by Mage with Lightning damage
Poisoner	Kill white shamans by poison
Power of Greed	Collect 3000 gold from a single level
Pretty Flies	Kill Mosquitoes
Return the soul	Kill enemies affected by stolen soul
Runeword: Metal	Equip weapons from the runes combinations
Sharpshooter	Complete a level with a crossbow
Slayer of champions	Kill enemies affected by the War Cry
Slime Collection	Destroy green towers
Stalagmight	Destroy cave towers
Sword Training	Kill enemies with sword
Take Cover	Kill frozen mosquitoes with a shield equipped
The Bat and the Man	Defeat cave bats
The end of winter	Complete level 60
Too Easy Challenge	Complete hard difficulty challenges on 3 stars on Bone World
Totem Master	Use Totems
Valentines	Collect flying hearts
Valhalla	Kill snow trogs by the Axe
Vigilance	Complete the secret level
Wand Training	Kill enemies with a wand equipped
Warcry	Shout at snow giants and kill them
Waterflow	Destroy water towers
Welcome aboard	Find the sorceress
Wizard Apprentice	Kill units with magic
Wolf Pelts	Help peasants to deal with wolves. Take the good sword as reward
Wood ways	Complete level 20
Worm Slayer	Kill the Worm