Is Operation Serpent free?

Yes. Operation Serpent is released under Freeware fan mod and costs nothing. Neither it nor Wolfenstein 3D via ECWolf has any paid content.

What do I need to run Operation Serpent?

Wolfenstein 3D via ECWolf, which is itself free. Operation Serpent is an add-on and will not run standalone.

How do I install Operation Serpent?

The PlayBound Launcher installs it in one click from Wolfenstein 3D via ECWolf's mods list. You can also install it by hand — full steps are on this page.

How big is Operation Serpent?

Roughly 28 MB, on top of the base Wolfenstein 3D via ECWolf installation.

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Mod

Operation Serpent

A full new Wolfenstein-style campaign packed in a single pk3.

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For Wolfenstein 3D via ECWolf

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