Full list of all 27 Kill It With Fire achievements. It takes around 5-6 hours to unlock all of the achievements in the base game on Windows.
The base game contains 24 achievements, and there is 1 DLC pack containing 3 achievements.
Destroy EVERY dish.
Burn the money in the safe.
Transform a Spiderling hatched from a Queen into a Queen
Complete a mission while in Tiny Mode.
Face the music.
Find every upgrade.
Knock every letter off Kill It With Fire HQ
Find batteries.
Find every tracker upgrade.
Destroy the printer using the RPG.
Find all equipment.
Find every flavor.
Shoot a spider with the Revolver from a long distance.
360 no-scope a spider with the Assault Rifle.
Decimate the hedge maze.
Kill an Exploding Spider with C4.
Play a tune.
Execute Contingency Omega.
Kill every type of spider.
Sink a putt.
Kill a spider by dropping an anvil on it.
Kill a spider after being webbed.
Destroy the gas station.
Kill a Jumping Spider in mid-air.
Unlock the shoe's true power.
Eliminate every blade of grass in the yard.
Betray a Spider Bro.