Natural Selection Team

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Half-Life Natural Selection 4 client
Free
Upgrade to beta 4 of the Natural Selection v3.0 mod.
Windows
Natural Selection (Half-Life mod)
Free
Choose between Marines or aliens in this multiplayer-only Half-Life mod.
Windows
Half-Life Natural Selection Mod Patch
Free
Update the Natural Selection mod with this patch.
Windows
Half-Life Natural Selection Patch
Free
Update your Natural Selection mod to version 3.0 Beta 3 with this patch.
Windows