With real money, you can purchase credits, the currency that is used to purchase in-game items. Credits can also be earned by milestones, the Critical Pass, watching ads, and completing offers.

With credits, you can buy cases that contain a variety of skins, animations, and melee weapon unlocks. Cases only offer a cosmetic enhancement, they do not change gameplay in any way. if you obtain a previously owned skin when opening a case, you will receive either ‘Blue’ or ‘Event Tokens’, these are  currencies that can be used to buy skins directly from the ‘Loadout’ menu.