It got buried with yesterday's PlayStation 4 news onslaught, but Spelunky on Xbox Live Arcade has gotten downloadable content. There are two add-ons, each priced at $2 (160 Microsoft Points).
The first pack adds eight playable characters: the Eskimo, the Robot, the Viking, the Round Girl, the Round Boy, the Cyclops, the Ninja, and the Golden Monk. The other add-on includes 24 deathmatch arenas should you still have the urge to play the competitive multiplayer.
While this is nothing too crazy, dedicated Spelunky players can probably scrounge up a few bucks for the content. I'm eying these new characters, as I like to play with someone who will stand out visually from everything else in the environment. There are some strong contenders in here.
[Thanks, Corduroy Turtle]