Does Half-Life: Opposing Force have kernel-level anti-cheat?

Anti-cheat, but not kernel-level

Half-Life: Opposing Force declares VAC (Valve Anti-Cheat) on its Steam page, without kernel-level access.

From the requirements on the Steam store page, checked Oct 28, 2026.

What the store page says you sign up for

Anti-cheatVAC (Valve Anti-Cheat)

FAQ

Does Half-Life: Opposing Force have kernel-level anti-cheat?

Half-Life: Opposing Force declares VAC (Valve Anti-Cheat) on its Steam page, without kernel-level access.

Does Half-Life: Opposing Force require a third-party account?

No third-party account is listed on Half-Life: Opposing Force's Steam page.

Does Half-Life: Opposing Force use DRM like Denuvo?

No third-party DRM is listed on Half-Life: Opposing Force's Steam page. Steam's own DRM may still apply.

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