[XB1, XSX] Free - A Knights Quest @ Microsoft Store Japan (Requires Xbox Live Gold Membership or GP Ultimate)

Part of Games with Gold in Japan but can be accessed and downloaded from NZ if you're a subscriber (you get the NZ version)

No VPN needed, just make sure you're logged into your MS account then using a web browser click the link and claim the game as you normally would with any Games with Gold game.

Game is an ARPG similar to Zelda with lots of platforming and exploration. Currently $36.40 on the NZ store.