This guide covers a way of playing Half-Life's campaing mode with your friends without using Radmin/Hamachi nor Sven Coop.

Warning: the following link contains a download. Proceed at your own risk.
1.Download this file: https://drive.google.com/file/d/1wos2Fnq9Nk8-sTqNnoKJ5ovwzJwjDc3T/view?usp=sharing
2.Open it and then drag and drop the "valve" folder to your game's root directory and click replace.

1.Open up Half-Life.
2.Press the tilde (The key thats usually located under the ESC key) key on your keyboard to open the console
3.Enter the following commands.
---
deathmatch 1
mapcyclefile INSERTMAPNAMEHEREWITHUPPERCASE
maxplayers 8
---
4.Click on "Create server"
5.Select the map you want to play.
6.Click Start.
7.Press escape and then click to Disconnect.
8.Click on "Create server"
9.Select the map you want to play.
10.Press Start.
11.Invite your friends.
12.Have fun playing 😎👊.

(Half-Life maps in order can be found here: https://wiki.sourceruns.org/wiki/Half-Life_Maps)

Original Mod Creator: Hiems
Playtesters for this version of the mod: extendify