The ns_install_v3_b2_patch.exe file you have requested: Mods / Multiplayer / Natural Selection / Releases / v3.0 / Natural Selection v3.0 Bta 2 - Client - 9.23mb is not available. Perhaps try browsing all files for the game Half-Life and upload any files you want to share or are missing. This is the only information we could locate:
Second bta client release of the action-strategy mod Natural Selection (version 3.0).Note: This version is an update. Bta 1 is required to be installed !!!