Banner of Smile Protocol

Smile Protocol

by OxygenStudio · 8 Sep, 2026

7 downloads

2.6 GB
8 hours ago
8 hours ago
CSF + Goldberg

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.

Screenshots

16 images
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Version Information

Latest Version

Latest on Steam

SteamDB

Build 25206933

Released Sep 09, 2026

Current Release

Build 25206933

Uploaded Sep 12, 2026

System Requirements

OS Windows 10
CPU Intel Core i7
RAM 8 GB RAM
GPU GTX 1660

How to Install

1
Download all files
2
Extract the .ZIP file to a folder (use WinRAR or 7-Zip)
3
Run Smile Protocol.exe to play
Troubleshooting tips

• Run Redist/_CommonRedist installers if game won't start

• Add folder to Windows Defender exclusions

• Run as administrator

Download

Direct link available

Archive password

Needed when extracting (WinRAR / 7-Zip) — not a site login.

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Download Smile Protocol for PC with a direct link or via torrent. Get the full version of Smile Protocol for free. Smile Protocol is a Action released by OxygenStudio.

Need help with installation or downloads?

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