you dont. it isnt cheap to make games, and the mobile version rarely, if at all, has forced ads, and ad revenue is generally not much, especially when keeping ads optional, meaning the main revenue is the pc version and the premium content you can buy.  and the pc version is 20 dollars compared to the 8 dollar mobile version with premium, and AGAIN,  it may seem like a lot to you, but most of a game dev's revenue goes towards maintaining said game, and trying to cheat them out of a measly 19.99$ is a dick move. then again im not a developer, i just know ad revenue sucks and worldbox never gets up in your face about purchasing things, and worldbox's pc version seemingly has WAY more features than the mobile version, which i think makes it worth the 20$ so if you cant afford the 20$ loss, dont buy the game. they cant afford every single player going to a third party site to get the game for free. imagine you worked really hard on a product, and some website gave it out for free. but if you have to, go the legal route and just ask your friends if they have it, and if they do, ask if they can share their steam library with you so that you can play it, and keep in mind that if one of you uses a game from their library the other person cant, so be ready for them to say no, and make sure to take no for an answer, they have a right to keep their games (WHICH THEY PAID FOR INSTEAD OF LOOKING FOR A WAY TO CHEAT THE DEVELOPERS OUT OF ONE OF THE ONLY FORMS OF MONEY MAKING THEY HAVE) to themselves. sorry for the rant, but seriously, this game has literally existed since 2012, thats how much effort has gone into this, and i doubt it's fully paid off yet, and it won't ever pay off if everyone goes to a third part site to get it for free. hopefully you got my point by the 3rd sentence.