Jurassic World The Game features a system of cards that give you various resources for your park operations such as coins, food, DNA, dinosaurs, dino bucks, etc. These cards come in card packs which you must acquire in order to grow your collection of dinosaurs. To help you with this, a free pack of cards called the ‘Mystery Pack’ will be made available to you every 6 hours. Simply tap the card pack market icon at the bottom left to automatically open your mystery pack.