What is the ruling on playing online games that allow for earning money through winning matches, or inviting others to the game (referral), or selling trainers in auctions, or that involve in-game buying and selling, including purchasing wine to increase energy or buying shares to earn a percentage?

"Ruling on games necessitates a comprehensive understanding of them, for the ruling on a thing is a derivative of its conception. It is permissible to exchange for permissible additions within a game, such as selling acquired virtual currency, but it is not permissible to gamble on them because that is gambling. Playing the first game and selling the points acquired therein is permissible, but gambling by acquiring points from playing with competitors is not permissible. It is not permissible to simulate drinking alcohol or buying and selling it in games."