WebKit

You should add more upgrades because going from 10k to 1B is hard and it takes a lot of time so you should add upgrades in between that to make it easier for players.

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You will get this many per click + it works forever

15000

Clicker Game (WIP) 

clicks

addtap

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super castle 

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Maze Mania X

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Play Clicker Game (WIP), a Clickergame game by @jaxoncheese, free in your browser on Castle.

Clicker Game (WIP) - Play Free Online | Castle

Play Clicker Game (WIP)  by @jaxoncheese on Castle