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