User blog comment:TB Highwind/CSO Korea leaked new content/@comment-29772803-20180828043313/@comment-36671442-20180829215846

"Won't be surprised if they change the game's engine into Source someday"

I'm not sure about that. Proven that CSO2 is a failed product and even GoldSrc engine is declared "legacy" by Valve (means no support), its fanbase or community is still huge.