All The Valve Concept Art You Could Ever NeedLuke Plunkett3/27/13 12:00amFiled to: ValveFine ArtSteamLeft 4 DeadHalf-LifeDOTA 2Counter-Strike198EditPromoteShare to KinjaToggle Conversation toolsGo to permalinkI saw these pop up on Twitter a few weeks back, but you know what? I've been on vacation for a few weeks. So here they are.Advertisement***** Artists is a page on Steam's community hub that showcases the work of Valve's art team, past and present. There are rough sketches, promo pieces, 3D renders and joke posters, for just about every Valve game under the sun, from Alien Swarm to DOTA 2 through Left 4 Dead, Portal and, yes, Half-Life.At the bottom of this post you'll find just a selection of the amazing work contained within, from artists like Peter König and Laura Dubuk. There are way, way more at the link below.