The ns_v30_b4a_patch.exe file you have requested: Modifications / natural selection / v30 Beta 4a / Natural Selection v3.0 Beta 4 to 4a Client Patch - 5.44mb 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:
Beta 4a ------- O Combat changes: -> Aliens no longer grow in experience over time (we didn't have time to test this properly last week) -> There is now a time limit (like old Combat builds!), which by default is 10 minutes. Aliens automatica This patch updates the Beta 4 of Natural Selection v3.0 to Beta 4a.