Rag Doll Kung Fu is the first ever third-party game to come to Steam in 2005, created by developer Mark Healey.Mark Healey, known for his work on games like Fable and LittleBigPlanet, worked on Rag Doll Kung Fu in his spare time.Despite its historical significance, Rag Doll Kung Fu remains relatively unknown with limited user reviews on Steam.Available for just a dollar on Steam, the game offers a glimpse into PC gaming history but may require work to run on modern systems.