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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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Day of Defeat: Source · Protondex

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Day of Defeat: Source

#300

Valve's WWII Multiplayer Classic - Now available for Mac.

View on Steam →

Recommendation

Native (Linux build)Great

Proton and native both rate great; recommending native.

Compatibility

Proton

Great

✓CurrentMedium confidence

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

Native

Great

✓CurrentHigh confidence

27 reports

Desktop

Great

✓CurrentMedium confidence

34 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:✓Current34 reports · last updated May 21, 2026

Guide cards

No guide cards yet — curated troubleshooting for Day of Defeat: Source will appear here.

Reports (34)

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PathOutcomeDeviceFreshnessAnti-cheat

34 of 34 reports

GreatProtonDesktopHistorical · ProtonDB
May 21, 2026
Imported from ProtonDB (ODbL)
PlayableProtonDesktopHistorical · ProtonDB
Feb 25, 2026
Imported from ProtonDB (ODbL)
BlockedNative (Linux build)DesktopHistorical · ProtonDB
Feb 14, 2026
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Jan 6, 2026
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Jan 4, 2026
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Nov 27, 2025
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Jun 3, 2025
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Mar 16, 2025
Imported from ProtonDB (ODbL)
BlockedProtonDesktopHistorical · ProtonDB
Feb 17, 2025
Imported from ProtonDB (ODbL)
ReadyNative (Linux build)DesktopHistorical · ProtonDB
Feb 10, 2025
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Feb 6, 2025
Imported from ProtonDB (ODbL)
BlockedNative (Linux build)DesktopHistorical · ProtonDB
Dec 22, 2024
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Sep 19, 2024
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Aug 15, 2024
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
May 4, 2024
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Jan 3, 2024
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Dec 29, 2023
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Dec 26, 2023
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Dec 12, 2023
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Dec 9, 2023
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Dec 8, 2023
Imported from ProtonDB (ODbL)
BlockedNative (Linux build)DesktopHistorical · ProtonDB
Dec 7, 2023
Imported from ProtonDB (ODbL)
BlockedNative (Linux build)DesktopHistorical · ProtonDB
Oct 21, 2023
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Sep 28, 2023
Imported from ProtonDB (ODbL)
BlockedNative (Linux build)DesktopHistorical · ProtonDB
Jul 13, 2023
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Jun 4, 2023
Imported from ProtonDB (ODbL)
ReadyNative (Linux build)DesktopHistorical · ProtonDB
May 13, 2023
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Mar 15, 2023
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Jul 4, 2022
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
Jun 10, 2022
Imported from ProtonDB (ODbL)
GreatNative (Linux build)DesktopHistorical · ProtonDB
May 9, 2022
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Apr 23, 2022
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Jan 22, 2022
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
May 26, 2021
Imported from ProtonDB (ODbL)