You have stayed in the house after the Combine arrived and the zombies started to appear. It’s time to venture outside…

This mod features some intense action scenes, but most of these come later on, much of the earlier parts of the mod are focused on adventure and storytelling.

Another simple arena/survial map. You fight against antlions and fast headcrabs with an AR2, both hand held and mounted

A very simple arena style map, reading this description will almost take the same time as playing the map!

A story based mod that leads you through a variety of interesting environments to your ultimate objective.

A demo for a now dead mod that allows you to play part of the second level.

“Gordon Freeman finds himself outside the entrance to an unknown part of the Black Mesa Facility… I know, it sounds awesome, right?

A weird level where you get jumped around various parts of a city, assuming you get past the Striders and Gunship. Good Luck.

Between PP and City17 I think that we have 99% of all SP maps and mods released, but that doesn’t mean there aren’t some great maps and mods waiting to be found.