First go to " My PC " then " Local Disk (C:) > Program Files (with numbers) > Steam > steamapps > common > Half-life 2 > hl2 " Then create a file and call it " Custom " Then put your mods into there. Sometimes the creator will put a text document called " readme " or something like that. Those are the instructions. While Valve apparently took down the store page for the game and stopped advertising it in the Steam store, you can still instruct Steam to install it by copying this text into your browser's Play Half-Life 2 with friends in Garry's Mod! This has been in works on and off for a few years now. Episodes and HL1 will follow in the future hopefully while HL2 is completely finished and playable along with HL2:DM. Yes, I know there is Synergy but this being on Garry's Mod it spawns more costumization & possibilities on what to do. The game engine Half-Life 2 runs on is called the Source Engine. This engine is different than the engine for the original Half-Life game, but ultimately is derived from it. The engine for the original Half-Life has been retronymed GoldSrc. The naming of both of these is tied to Valve's internal nomenclature about the two engines, which itself You should play through Half-Life 2 to get the story, but no, you don't need to own the base game at all. #3. The author of this thread has indicated that this post answers the original topic. Nathan Aug 28, 2022 @ 12:25am. You absolutely do need to OWN Half-Life 2 on steam in order to play it, it's a mod that's free and requires it because it Copy all the DLL's from the "MS\x86" directory of dgVoodoo2 into the "Half-Life 2\bin" directory of HL2. The directory path is probably the most important part as its non-standard. It initially threw me off and I've probably installed DLL's into hundreds of game directories for these types of "wrapper" utils. How To Play Half-Life 2 Roleplay. By Lucky Ninja and 1 collaborators. This is a guide to show you all about half-life 2 roleplay and how to roleplay in specific groups. The specific groups thing is optional however it is to show more on what you character can do then what it is forced to do. Award. next, open the SSE launcher you downloaded earlier. open the source sdk 2013 folder and drag the 'hl2.exe' into the SSE window, and type 243730 where it asks for the app ID. then for the parameters, set them to: "-steam -game HL2MMod_HL2" (note, this parameter is related to the name of the folder for the version of MMod you'll be playing. this oUjHqOY.