20€ for upgrade for game that has been sold for little as 1,5€ and often 3€... Also the modern day relevancy with the amount of options being around is question

20€ for upgrade for game that has been sold for little as 1,5€ and often 3€... Also the modern day relevancy with the amount of options being around is questionable... This is not anymore the day when it was only one of the few kids on the block(Steam)...