Looks like this may have been based on the nillerusr Source engine, which is based on a 2020 leak of the Source sources. nillerusr's engine has also been used to port some Valve games to Android.

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MisterTea 3 hours ago | parent [-]

I wish Valve would take a cue from id and release the source code to Source and/or at least GoldSrc under an open license. Though I have a hard time imagining them opening up code to more lucrative games like Team Fortress Classic or Counter-Strike classic. Nice dream though...

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lunar_rover 3 hours ago | parent | next [-]

Source uses licenced middleware such as Havok so SDKs are likely all we're going to get officially. Source 2 might be a different story if HL3 releases one day since Valve replaced audio and physics with in-house technologies.

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wvbdmp 2 hours ago | parent | prev | next [-]

Old-ish Source has a pretty generous license, no? https://github.com/ValveSoftware/source-sdk-2013/blob/master... GoldSrc is there somewhere as well. I’m definitely grateful for it. I’ve read some of it myself and watched a bunch of Youtube about it.

	▲	mepian 12 minutes ago \| parent [-]
		That repository is not the engine, it's just the code for the client.dll/server.dll binaries that contain game-specific logic and some other tools.

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charcircuit 3 hours ago | parent | prev [-]

Why should Valve give up their leverage. They actively pick and choose who they license the engine to.

	▲	tweetle_beetle 2 hours ago \| parent [-]
		Realistically there isn't really any commercial value left in it though. While there were some notable unique games made with it (Titanfall 1 & 2, E.Y.E, The Stanley Parable, etc), these were made over a decade ago and the majority of games made with it are reworks/mods/adaptations of Half-Life related material. https://developer.valvesoftware.com/wiki/List_of_third-party...