Giant robots and tiny aliens are coming to Xbox Live Arcade build 'em up A World of Keflings in the 'It Came From Outer Space' downloadable content pack, announced today by developer NinjaBee. The add-on will see your Xbox avatar helping pint-sized aliens to get home by building all sorts of technological doodads.

"Aliens have crash-landed in the Kefling world and you and the Keflings need to use your mad building skills to get them home," the DLC's lead designer Mike Nielsen explained in the announcement. "You'll be building giant robots, crazy alien structures, and even robotic Keflings all in the name of repairing their mother ship. There's plenty of new stuff to explore--a new kingdom, new characters, new resources, new buildings... It's pretty substantial."

There's no word yet on when It Came From Outer Space will arrive, nor how much it'll cost. But it has giant robots, and what more could you need to know?