WebKit

card-cVCu

Blackhole

Get a potato (price in real life worth of bricks)

Potato

Get news that nobody without castle news premium gets to see!

Castle news premium

Double luck

Bday gift

brick exclusive

Potato chain cosmetic

Green chain

Troll

Double the amount of time you get (only works on seconds mode)

Double time 

Double money

100 kills

Cash

10× money

Golden ball

Double money per sec

Free screenshots 

Get early access to black hole (doesn't work properly)

Early access 

Tung tung tung sahur

Long cheeseburger 

Pizza

Golden button

2x stats

5× stats

Diamonds

Limes

Scissors 

Diamond cube

Character

Golden cube

Diamond ball

Nuke

Ultra premium 

Premium

Permanent 5 QA click power!

Permanent 5 T click power!

Donate

Obese

Donate to leave

Fawkess donate

You will get free gamepasses in all my future decks and get free diamond ball spawner

Godly donator 

Diamond ball spawner

Become a mega donator and I will make a game for mega donators

Mega donate

I will follow you and every game I create will have a shoutout of you

Ultra donator

Simple calculator

card-S5yO

card-N_Cm

card-LfbT

Sudoku!

card-Zpuj

Cool Tune Zone

card-GcRP

card-Gmcw

card-stnp

Play Simple calculator by @potato_kingdomofficial, free in your browser on Castle.

Simple calculator - Play Free Online | Castle

Play Simple calculator by @potato_kingdomofficial on Castle

Simple calculator

More #calculator games