Can I use multiple coupon codes per order? February 12, 2022 09:41 Updated You may only use one coupon code per order; coupons codes may not be combined. Related articles Can I exchange my vouchers or Challenger gift vouchers for cash? What is the validity of the S$40.00 rebate e-Voucher? Will my vouchers/ coupons be reinstated after a refund? What is Razer Gold and where can I use it? How are refunds calculated when coupons are used?