The 3D Glasses are a civilian cosmetic in Halloween: The Game that you cannot buy or grind for through normal progression. Instead, they are tied to a limited promotion between the game and the Regal theater chain in the United States. If you meet the conditions, a redemption code lands in your email, and you enter it inside the game to add the glasses to your character.
Quick answer: Join the Regal Crown Club, use your Crown Club card when buying a ticket to any film in the Halloween series at Regal, then redeem the emailed code in-game under the Graveyard tab in Extras.

What you need to unlock the 3D Glasses
Two things must line up before a code is generated for your account. You have to be an active Regal Crown Club member, and you have to attend a qualifying Halloween-series movie at a Regal location while your membership is applied to the purchase.
| Requirement | Detail |
|---|---|
| Membership | Active Regal Crown Club account (free to join) |
| Action | See a qualifying film from the Halloween series at a Regal theater |
| Tracking | Apply your Crown Club card to the ticket purchase |
| Region | Limited to the United States and Regal locations |
| Reward | 3D Glasses civilian cosmetic, plus an entry to win a free copy of the game |
Note: The reward is a cosmetic for civilian characters only. Because it depends on a US theater chain, players outside those regions cannot currently claim it.
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If the email does not arrive right away, wait a few hours, then look in your Promotions tab and your Spam folder before assuming something went wrong.

How to redeem the code in the game
Once the code is accepted, the 3D Glasses become available in your civilian cosmetics, so you can equip them from your character customization. If the entry is rejected, double-check for typos and confirm you are using the exact code from the email rather than a copied trailing space.

Extra details worth knowing
The same promotion also enters eligible members into a draw for a free copy of Halloween: The Game if they do not already own it. If you win a copy and already play on another platform, you can use it there, but progress does not carry across platforms, so saves will not sync between versions.
This Regal offer is the only code-based reward in the game right now. There is a redemption box built into the menus, which leaves room for more codes to appear later, but no additional codes or a confirmed next drop are available at this time.






