GameDoes Classic Marathon have kernel-level anti-cheat?
Classic Marathon's Steam page declares no anti-cheat. Steam has required kernel-level anti-cheat to be declared since October 2024, but older games may not have updated their store pages, so this isn't a guarantee.
From the requirements on the Steam store page, checked Oct 28, 2026.
What the store page says you sign up for
Nothing: no anti-cheat, third-party account, DRM or extra EULA is declared.
FAQ
Does Classic Marathon have kernel-level anti-cheat?
Classic Marathon's Steam page declares no anti-cheat. Steam has required kernel-level anti-cheat to be declared since October 2024, but older games may not have updated their store pages, so this isn't a guarantee.
Does Classic Marathon require a third-party account?
No third-party account is listed on Classic Marathon's Steam page.
Does Classic Marathon use DRM like Denuvo?
No third-party DRM is listed on Classic Marathon's Steam page. Steam's own DRM may still apply.
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