Click on this link to go to the game login page. Below is a list of free keys to StatTrakâ¢ USP-S | Guardian (Factory New. These daily occasions will be available for 24 hours only. If you want even 80% off for every game go to our page for a voucher code. If listed keys are not working, you can always buy this item – currently our price is only $4.56 per item, just click here.