https://www.aus.opixboxrewards.com/
Buy any OPI product and redeem BONUS Forza Horizon 5 (Ford GT Livery) or Halo Infinite (armour coating).
Cheapest OPI product I could find on Amazon (with Prime) is nail polish remover for $8.76 or nail files for $8.95
Never thought I would see OPI, XBox and Forza or Halo in the same promotion.