Successfully complete the listed task to unlock the corresponding achievement.

Achievement	How to unlock
Actuary Architect	Clear level 11 with barricade only
Actuary Engineer	Clear level 16 with arrow tower only
Actuary Pitcher	Clear level 17 with bomb only
Actuary Sapper	Clear level 10 with landmine only
Ballista Killer	Kill Ballista Progress
Ballista Marauder	Headshot Ballista Progress
Berserker Killer	Kill Berserker Progress
Berserker Marauder	Headshot Berserker Progress
Boss Killer	Kill Boss Progress
Builder	Place barricade Progress
Complete Devastation of Land	Find all specific objects in a level Progress
DarkSpear Killer	Kill DarkSpear Progress
DarkSpear Marauder	Headshot DarkSpear Progress
Engineer	Place arrow tower Progress
Famous	Reach the top of the score list 100
Fire-raiser	Kill monsters with a fire arrow Progress
Hunter	Clear S1 with clamp only
Intouchable	Full star clearance Progress
Kneel and beg for forgiveness	Clear level 8 with mud flat only
L115A3	Reach the top of the headshot list 1
Ladybug Killer	Kill Ladybug Progress
M24	Reach the top of the headshot list 100
Mading Killer	Kill Mading Progress
Mading Marauder	Headshot Mading Progress
Magician	Kill monsters with a charged shot Progress
Monster Marauder	Headshot Monster Progress
NightShadow Killer	Kill NightShadow Progress
NightShadow Marauder	Headshot NightShadow Progress
Road Closed	Place clamp Progress
Sapper	Place landmine Progress
Second to None	Reach the top of the score list 1
Self-satisfied	Full star clearance once
Shieldon Killer	Kill Shieldon Progress
Shieldon Marauder	Headshot Shieldon Progress
Slow Down	Place mud flat Progress
SmokeLord Killer	Kill SmokeLord Progress
SmokeLord Marauder	Headshot SmokeLord Progress
SVD	Reach the top of the headshot list 5
The World Admires	Reach the top of the score list 5
Undertaker Killer	Kill Undertaker Progress
Undertaker Marauder	Headshot Undertaker Progress
Vanguard	Kill monsters with a bomb Progress
Viper	Kill monsters with a poisonous arrow Progress