The film is currently being drafted by Burton regular John August, working alongside the creator of the game, Matt Wilson. The monsters, meanwhile, are being developed by Visual Effects Supervisor Ken Ralston. Skyscraper sized, the giant monsters are left behind after an attack on Earth and humanity builds giant robots for which to combat them.
The article also notes that the film will most likely be developed for 3D and that it could fast tracked to hit theaters before the end of 2012. Read the full transcript of the interview at Slashfilm.