Pulse is a MOD for Half-Life 1. Pulse takes place in Black Mesa after the incident. You are famous scientist Gordon Freeman. In the beginning of Pulse, you are in Surface Lab A Security Complex, a lab and security station on the absolute surface of the Black Mesa Research Facility. You are working with your scientist pals when one scientist working with a hazardous radiation meter detects high radiation amounts coming from all over. They radio into the Administrator's office, the office of Dr. Wallace Breen. Instead of Breen answering, they pick up a remote conversation between Breen and an unknown voice. "It's done," Breen said. "The xenian crystal triggered a dementional rift between Earth and the boarderworld Xen. Now let's get to the surface!" "I'm sure my employers will be pleased," says the unknown voice, and then silence fills the room followed by an explosion. The other scientists are amazed that the Administrator of Black Mesa...

Add file RSS Files
Custom .WAD Error Fix for Beta 1

Custom .WAD Error Fix for Beta 1

Patch 4 comments

Fixes the custom .wad error that occurs half way through Pulse: Episode One Beta 1. Small file to download, and easy to install (follow the readme.txt...

Pulse: Episode One Beta 1

Pulse: Episode One Beta 1

Full Version 9 comments

That's right - Pulse: Episode One Beta 1 has been released! Now, this is not a final release, but it is a beta version of Pulse: Episode One. This is...

Pulse: Puzzel Demo .zip

Full Version 7 comments

This is a demo for Pulse to show what puzzles in this MOD will be like. Please download this!

Pulse Demo #2

Pulse Demo #2

Full Version 1 comment

The second official Demo for the Half-Life 1 MOD Pulse.

Pulse Demo #1

Pulse Demo #1

Full Version

The first official demo released for Half-Life 1 MOD Pulse. DOWNLOAD INSTRUCTIONS ARE ENCLOSED IN THE README FILE IN THIS .ZIP FILE. PLEASE READ THEM...