tbh i could've fit a really quick tutorial but the time was almost out and i have no excess to internet at that time so here's a tip, in the main menu background you can actually learn on how to make the coins if there's animation it works if non it doesn't work(main menu doesn't have animation) . The goal is to get 150 coins(there's no indicator on how much coins you needed or have) if you build 50 green card you get a green trophy with the terrain change a bit, if you get 50 blue card you get blue trophy and the atmosphere change