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Steam
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Smile Protocol PC Steam CD Key

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Recommend this game and earn$0.13or more per sold copy.Join in 3 minutes
This Early Access game is not complete and may or may not change further.
Release date: 07/08/2026

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.

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