The first ever third-party game to come to Steam probably doesn't get the respect it deserves—mostly because no one remembers it

Steam's newly automated monthly top-seller list now lets you go all the way back to 2004, and it's been a fun way to take a trip down memory lane. And as Jody noted, it's shined a light on one particular oddity: Rag Doll Kung Fu.

Chances are you've never heard of it, but this fighting game has the honour of being the first ever third-party game to come to Steam, back in 2005. That's before the release of The Orange Box, even—back then it was basically just a launcher for Half-Life 2. And...