Catalyst is the eighth official Downloadable Content (DLC) pack released for Natural Selection 2. It was released along with Build 324 and it is the largest Skin Pack for Natural Selection 2 to date. It contains a Sandstorm Skin Variant for every Weapon (except Mines and Grenades), Male and Female Marine, Exosuit and the very first Marine Commander Skin. For Aliens it contains Toxin Skins for each Lifeform, the Tunnel, and the Commander.
Sandstorm[]
Sandstorm Switch-Axe skin
Sandstorm Welder skin
Sandstorm Pistol skin
Sandstorm Assault Rifle skin
Sandstorm Shotgun skin
Sandstorm Flamethrower skin
Sandstorm Grenade Launcher skin
Sandstorm Machine Gun skin
Sandstorm Command Station skin
Sandstorm Male Marine skin
Sandstorm Female Marine skin
Sandstorm Extractor skin
Sandstorm Minigun Exosuit skin
Sandstorm Railgun Exosuit skin
Toxin[]
Toxin Skulk skin
Toxin Gorge skin
Toxin Lerk skin
Toxin Fade skin
Toxin Onos skin
Toxin Hive skin
Toxin Harvester skin
Toxin Egg skin