Steam App Id 4516900

Smile Protocol

Smile Protocol is a fast-paced FPS survival game set in a locked-down facility. Clear waves, unlock doors, and survive the pressure as enemies keep coming.

Last Updated: 3/24/2026

Platforms
  • Windows
  • Mac
  • Linux

About Smile Protocol

Smile Protocol is an Action, Casual, Simulation, and Early Access game. It was released on the Steam Store.

It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.

According to Steam’s category system, Smile Protocol supports the following features:

  • Steam Leaderboards
  • Single-player
  • Family Sharing
  • Stats
  • Steam Achievements

Media & Sceenshots

Watch the featured video for Smile Protocol and see the latest screenshots from the Steam Store.

Smile Protocol Featured Screenshot #1

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Frequently Asked Questions

Soures & References

Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.

Smile Protocol data has been sourced from:

  • Valve Corporation. (2026, March 24). Smile Protocol on Steam. Steam Store.
  • Valve Corporation. (2026, March 24). Smile Protocol. Steam Community Hub.

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