When you're playing Half Life 2 and your 10 friends want to play too

The Synergy Multiplayer Mod allows you to play Half Life 2's campaign with literally everyone you can think of ~Twitch Channel: http://www.twitch.tv/rtgamecrowd ~Merch Shop: https://freshmerch.fm/collections/rtgame ~Twitter: https://twitter.com/RTGameCrowd ~Instagram: https://www.instagram.com/rtgamecrowd ~Discord: https://discord.gg/rtgame ~~~~~~~~Extra Things~~~~~~~~ Everything you see in my videos is edited livestream highlights taken from my Twitch channel. My schedule is Tuesday & Thursday @ 7pm, Saturday & Sunday @ 3pm - all times based in Ireland. Music is Legend of Zelda - Outset Island.