Does Rainbow Six Siege run on Linux?
No. Rainbow Six Siege’s anti-cheat (FairFight, BattlEye, R6 ShieldGuard) does not allow Linux, so online play is blocked even through Proton or Wine.
Rainbow Six Siege on Linux: the evidence
These figures summarize the 52 compatibility reports that players submitted to ProtonDB in the 12 months before Oct 1, 2026. The most recent report is from Sep 23, 2026.
Does it depend on your graphics card?
| GPU | Reports | Say it works |
|---|---|---|
| AMD | 29 | 17% |
| NVIDIA | 22 | 0% |
Anti-cheat
Rainbow Six Siege uses FairFight, BattlEye and R6 ShieldGuard. AreWeAntiCheatYet lists its Linux status as Denied: the developer has chosen not to allow Linux players.
Which Linux distros do Rainbow Six Siege players use?
The distros named most often in the last year’s reports. They show what people actually play on, not which distro is best.
How to play Rainbow Six Siege on Linux
There is no workaround for the anti-cheat: Proton and Wine are refused by design, and trying to bypass it risks a ban. To keep playing, keep Windows installed alongside Linux (dual-boot) and start Windows for this game.
Best Rainbow Six Siege alternatives for Linux
Third-party competitive services such as FACEIT do not support Linux.
The FinalsRuns well with ProtonYes. The Finals has no Linux version, but it runs well through Steam’s Proton: 85% of 312 ProtonDB reports from the last 12 months say it works.
Sources
Game statistics are distro.watch’s summary of ProtonDB report data, used under the Open Database License.
Rainbow Six Siege on Linux: common questions
Does Rainbow Six Siege run on Linux?
No. Rainbow Six Siege’s anti-cheat (FairFight, BattlEye, R6 ShieldGuard) does not allow Linux, so online play is blocked even through Proton or Wine.
What is the best Linux alternative to Rainbow Six Siege?
Counter-Strike 2 and The Finals are the closest alternatives that run on Linux. Counter-Strike 2: Counter-Strike 2 has a native Linux version on Steam, and 88% of 485 ProtonDB reports from the last 12 months say it works.
Does Rainbow Six Siege work on Steam Deck?
Valve rates Rainbow Six Siege “Unsupported” on Steam Deck and “Unsupported” for other SteamOS devices. Its anti-cheat does not support Linux.
How well does Rainbow Six Siege run with Proton?
In the last 12 months, 10% of 52 ProtonDB reports said it works.
Why doesn’t Rainbow Six Siege work on Linux?
Its anti-cheat (FairFight, BattlEye, R6 ShieldGuard) does not allow Linux or Proton, and only the publisher can change that. Until then, playing online requires Windows, for example on a dual-boot PC.