It works just like a normal Roblox tycoon but has more to it codes himan12331 (gives 300 knobs) maybedave (gives 3 free upgrades) cubewithnoeye (gives 300 knobs) BigMac906 (gives 300 knobs) Damathgroup (gives 200 knobs) ashtheflash44 (gives 300 knobs) BACKDOOR (gives 100 knobs) Door emoji (gives 200 knobs)
For the Door Emoji code, you have to type the door emoji.
