Does Five Nights at Freddy's: Security Breach run on Linux?

Verdict: Yes

Yes. Five Nights at Freddy's: Security Breach is a Windows game that runs on Linux through Proton, the tool built into Steam, and players on ProtonDB rate it Gold, the second-highest rating.

Five Nights at Freddy's: Security Breach by Steel Wool Studios · Action, Adventure, Indie

Five Nights at Freddy's: Security Breach is an indie action and adventure game from Steel Wool Studios, published by ScottGames, first released on 16 December 2021.

It is a game for one player. Steam lists it as fully playable with a controller.

The evidence

Its own Linux version
No, it runs through Proton
Player rating on ProtonDB
Gold, from 70 reports
Steam Deck (which runs Linux)
Verified by Valve
Anti-cheat
None listed

How to play it

  1. Install Steam from your Linux app store and sign in. Your library is already there.
  2. In Steam's settings, under Compatibility, switch on "Enable Steam Play for all other titles". That turns on Proton for every Windows game. You only do this once.
  3. Install Five Nights at Freddy's: Security Breach and press Play.

New to this? Can I play my games on Linux? explains Proton, anti-cheat and which Linux to pick for games.

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Ratings are reported by players at ProtonDB and anti-cheat status by Are We Anti-Cheat Yet. Both change, so follow the links below for today's picture.

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