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Half-Life: Opposing Force

Half-Life: Opposing Force

Worth buying? What 300 Steam reviews say.

Overwhelmingly Positive1999

The verdict

A well-loved Half-Life expansion that retells the Black Mesa incident from a soldier's view, with new weapons and enemies. Skip it if you dislike bullet-sponge enemies, elevator bugs and a brutal late game.

Great for

Half-Life fans who want more Black Mesa with a new perspective, fresh weapons and a short campaign

Main risk

Late-game difficulty spike with spongy enemies, scarce health and elevator softlock bugs

What players love

Fresh HECU soldier perspective on Black Mesa

Mentioned in ~1 in 4 positive reviews

“Seeing the Black Mesa incident from a completely different perspective is very interesting.”

Steam review · 4.3 h played  ↗

What players complain about

System requirements

Steam Deck: Playable

Steam doesn’t list requirements for this game.

Analyzed Oct 6, 2026  ·  300 reviews

150 positive, 150 negative

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