To install place in your counter strike folder (cstrike), e.g C:\Program Files\Counter-Strike 1.6\cstrike or 
C:\Program Files\Steam\SteamApps\(your-account-name)\counter-strike\cstrike

Textures:
Skybox		NeoHL
WAD		NeoHL

Map:
Ships		Takatalvi
Compilation	Takatalvi
Map		NeoHL

Original game by Dark Orbit (Bigpoint)
