Please ensure you enter the game key in the correct place:

Via Oculus app- Menu > settings > account settings > redeem store code

https://www.meta.com/my/redeem-code/

If you are unable to redeem the key please contact giveaways@side.quest with your profile ID, provide the prize details and a summary of the error.

Please note the, team works Mon-Thurs and will respond to emails on these days.