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.
Play a tune.
Find batteries.
Find every upgrade.
Find all equipment.
Find every tracker upgrade.
Execute Contingency Omega.
Find every flavor.
Kill every type of spider.
Face the music.
Burn the money in the safe.
Destroy EVERY dish.
Destroy the gas station.
Decimate the hedge maze.
Kill a spider by dropping an anvil on it.
Destroy the printer using the RPG.
Sink a putt.
Knock every letter off Kill It With Fire HQ
Transform a Spiderling hatched from a Queen into a Queen
Kill a Jumping Spider in mid-air.
Shoot a spider with the Revolver from a long distance.
Complete a mission while in Tiny Mode.
Kill a spider after being webbed.
360 no-scope a spider with the Assault Rifle.
Kill an Exploding Spider with C4.
Betray a Spider Bro.
Unlock the shoe's true power.
Eliminate every blade of grass in the yard.