Here is the full list of all 18 Kill It With Fire VR achievements.
Smack the piano
Burn the money in the safe
Find every battery
Kill every type of spider
Destroy EVERY dish
Beat the game
Find all Equipment
Find every Flavor
Destroy the gas station
Get the golf ball in the hole
Knock all of the letters off KIWF HQ
Fire the RPG at the printer
Get the secret ending
Transform a Spiderling hatched from a Queen into a Queen
Find every Tracker Upgrade
Find every upgrade
Kill a spider while Webbed
Kill three spiders with a single throw