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The modern compatibility index for Steam games on Linux.

Steam · Linux · Proton & Native

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Protondex is an independent community compatibility index and is not affiliated with Valve, Steam, Proton, CodeWeavers, or ProtonDB.

Some historical compatibility records originate from ProtonDB's data export under the Open Database License (ODbL) v1.0; Protondex publishes a periodic public dump of its compatibility database under the same license. View the ODbL.

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Team Fortress Classic · Protondex

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Team Fortress Classic

#20

One of the most popular online action games of all time, Team Fortress Classic features over nine character classes -- from Medic to Spy to Demolition Man -- enlisted in a unique style of online team warfare. Each character class possesses unique weapons, items, and abilities, as teams compete online in a variety of game play modes.

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Recommendation

Native (Linux build)Great

Native (great) currently rates better than Proton (blocked).

Compatibility

Proton

Blocked

↻Needs confirmationMedium confidence

28 reports · Medium confidence: more recent reports would firm this up.

Native

Great

✓CurrentMedium confidence

10 reports · Medium confidence: more recent reports would firm this up.

Desktop

Great

✓CurrentMedium confidence

38 reports · Medium confidence: more recent reports would firm this up.

HandheldUnknown

No reports yet

Anti-cheatUnknown

No anti-cheat reports yet

Summary based mostly on historical data from ProtonDB. Fresh reports from your setup help keep it current.

Freshness:✓Current38 reports · last updated May 3, 2026

Guide cards

No guide cards yet — curated troubleshooting for Team Fortress Classic will appear here.

Reports (38)

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PathOutcomeDeviceFreshnessAnti-cheat

38 of 38 reports

BlockedNative (Linux build)DesktopHistorical · ProtonDB
May 3, 2026
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Dec 11, 2025
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Sep 23, 2025
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Sep 1, 2025
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Jul 13, 2025
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
May 23, 2025
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Dec 19, 2024
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Dec 14, 2024
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Sep 19, 2024
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Jan 15, 2024
Imported from ProtonDB (ODbL)
ReadyNative (Linux build)DesktopHistorical · ProtonDB
Sep 3, 2023
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Dec 3, 2022
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Jul 19, 2022
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Apr 24, 2022
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Feb 20, 2022
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Jan 22, 2022
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Oct 17, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
May 15, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
May 15, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
May 15, 2021
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
May 15, 2021
Imported from ProtonDB (ODbL)