Buy Smile Protocol PC Key

Where to pre-order Smile Protocol? As of 13 Sept 2026 we have 3 offers across 3 stores, the cheapest being A$3.51 at G2Play. Pre-ordering gets you the game on release day, usually with the order bonuses, at a price you already know today. If day one is not the point for you, it is worth knowing that the price normally goes lower after launch.

Release: Coming soon
Buy in Official Store:
-15%
A$7.22
Buy in Keyshops:
-66%
A$3.51
Historical low
See price history

Official Stores (1)

DRM:
Steam
Steam
Steam
Smile Protocol
Windows
4d ago
DRM:
Steam
Steam
A$8.50 A$7.22
-15%

Keyshops (2)

DRM:
Steam
Steam
G2Play
Smile Protocol PC Steam CD Key
Windows
18h ago
DRM:
Steam
G2Play
A$10.52 ~A$3.51
Historical Low Deal
Historical low
-66%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Kinguin
Smile Protocol PC Steam CD Key
Windows
18h ago
DRM:
Steam
Kinguin
A$10.52 ~A$3.51
Historical Low Deal
Historical low
-66%
-8% with XD8DEALScopy
-8% with XD8DEALScopy

About Smile Protocol

Smile Protocol - about the game

SMILE PROTOCOL

Smile Protocol is a high-pressure survival FPS where every run rewards your progress.

Fight through dangerous encounters, earn coins and keys, buy equipment, open cases, expand your collection, and build your own way to survive.

The longer you survive, the greater the rewards.

CASE SYSTEM

Earn keys and open cases filled with valuable rewards.

Unlock weapon skins, attachments, gloves, grenade skins, and collectible items to expand your inventory.

Every case is a chance to discover something new.

INVENTORY & COLLECTION

Build your own collection and customize your equipment.

Unlock and equip:

• Weapon Skins

• Weapon Attachments

• Gloves

• Grenade Skins

• Cosmetic Items

Create a loadout that feels unique to you.

Every unlocked item is permanently added to your collection.

STORY MODE

Push deeper into the facility by unlocking new sectors and surviving the threats waiting behind every door.

Explore dangerous areas, manage your resources, and fight your way forward.

⚔️ WAVE MODE

Survive a fixed number of increasingly difficult waves.

Each completed wave rewards you with keys and resources.

The further you go, the greater the reward.

ENDLESS HOSTAGE MODE

Activate the hostage event and defend your position.

Enemies grow stronger and more numerous over time.

The longer you survive, the bigger the reward.

Stay longer for greater rewards or extract at any time and secure your earnings before the pressure becomes overwhelming.

There is no final wave.

Only survival.

TRADER SYSTEM

Every match rewards you with coins.

Visit the Trader and convert your coins into keys to open even more cases and grow your collection faster.

Play. Earn. Trade. Unlock.

SHOP SYSTEM

Spend your earned coins to prepare for the next run.

Purchase:

• Weapons

• Ammunition

• Armor

• Health Supplies

• Grenades

• Equipment

Choose your loadout carefully before entering the facility.

The right equipment can mean the difference between survival and death.

CHOOSE YOUR ENEMY TYPE

Customize who you fight before every run.

Face different enemy types including:

• Humanoids

• Aliens

• Skeletons

Each run can feel different depending on the enemies you choose.

TIMED REWARDS

Claim free rewards simply by playing.

Collect additional coins and keys over time to help expand your collection and open more cases.

Keep playing and come back regularly to maximize your rewards.

⚙️ CUSTOM RULES & REWARD MULTIPLIER

Create your own challenge.

Customize:

• Manual or Automatic Reload

• Enemy Count

• Enemy Speed

• Enemy Type

• Headshot Only Mode

Harder settings increase your Reward Multiplier, allowing you to earn more coins and keys.

The greater the risk, the greater the reward.

HOW FAR CAN YOU SURVIVE?

Fight.

Survive.

Earn rewards.

Buy equipment.

Open cases.

Grow your collection.

Return stronger.

Every run matters.

Interface:
ArabicGermanEnglishSpanish - SpainSpanish - Latin AmericaFrenchItalianJapaneseKoreanDutchNorwegianPortuguese - PortugalPortuguese - BrazilRussianSwedishTurkishSimplified ChineseTraditional Chinese
Subtitles:
ArabicGermanEnglishSpanish - SpainSpanish - Latin AmericaFrenchItalianJapaneseKoreanDutchNorwegianPortuguese - PortugalPortuguese - BrazilRussianSwedishTurkishSimplified ChineseTraditional Chinese

Age rating

Unavailable

Minimum:

  • OS: Windows 10
  • Processor: Intel Core i7
  • Memory: 8 GB RAM
  • Graphics: GTX 1660
  • DirectX: Version 11
  • Storage: 8 GB available space

Recommended:

  • OS: Windows 11
  • Processor: AMD Ryzen 9
  • Graphics: RTX 3060
  • DirectX: Version 12
  • Storage: 15 GB available space
Historical low
Price history from official stores
A$7.22
Steam
4 days ago
Price history from keyshops
A$3.51
G2Play
today

FAQ

8 questions

Before you start looking for a cheap Smile Protocol PC key, check the essentials. Developed by OxygenStudio. Published by OxygenStudio. Genres: Action, Indie, Casual, Simulation, Early Access. Categories: Family Sharing, Single-player, Stats, Steam Achievements, Steam Leaderboards.

Q

Where to buy a cheap Smile Protocol Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a Smile Protocol key for as low as A$3.51. This deal is available at G2Play and is among the cheapest offers on the market. All keys listed on XD.deals are delivered digitally and eligible for instant download after payment. Prices already include processing fees and applied promo codes, so you always see the lowest Smile Protocol price on PC. Check the Smile Protocol price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the Smile Protocol Steam price is A$7.22. You can save an extra ~6% by paying with a discounted Steam gift card.

Our price tracker covers both official retailers and key marketplaces, so you can find Smile Protocol on sale even outside seasonal promotions. We currently detect 3 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, Smile Protocol is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

Yes. Smile Protocol has an official page on the Steam Store. You can also buy a Smile Protocol Steam key from third-party sellers. Our price comparison currently includes 3 offers with Steam DRM. Pick one to ensure your Smile Protocol download happens on Valve's platform.

Not at this time. Valve marks Smile Protocol as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.

According to our data Smile Protocol is not currently available on PC Game Pass, EA Play or Ubisoft+. We are still filling in the catalogues of these services, so it is worth confirming the status at the source before you decide. If you are buying, XD.deals will help you find the lowest price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best Smile Protocol deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

Best prices for Smile Protocol

1 G2Play G2Play Keyshop
-66% A$3.51
2 Kinguin Kinguin Keyshop
-66% A$3.51
3 Steam Steam Official
-15% A$7.22

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