Ninja vouchers are Kinguin’s free discount codes that can be redeemed through their website. You will find a penguin icon at the top right side beside the add to cart button. Clicking on it will reveal a ‘Redeem Ninja Voucher’ button. You can quickly redeem the voucher. You can find a redeemable Kinguin discount voucher code and Kinguin coupon code 2021 from our site.