Another angle: maybe it's related to a fan game or mod. Horsecore does have mods for games like Minecraft where players can ride horses and there's steampunk elements. Checking modding communities or fan forums might shed light. The date format could be confusing—maybe it's written as 2008-02-06 (February 6th, 2008)? But the user wrote "2008 2 6," without slashes.