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.
Kill an Exploding Spider with C4.
Kill a Jumping Spider in mid-air.
Execute Contingency Omega.
Kill every type of spider.
Kill a spider after being webbed.
Shoot a spider with the Revolver from a long distance.
Play a tune.
Find batteries.
Find every upgrade.
Find all equipment.
Find every tracker upgrade.
Find every flavor.
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
Complete a mission while in Tiny Mode.
360 no-scope a spider with the Assault Rifle.
Betray a Spider Bro.
Unlock the shoe's true power.
Eliminate every blade of grass in the yard.