Complex sentence: On July 11,2011 the franchise's developers announced a new version of "Cities XL" titled "Cities XL 2012" would be available on October 20,2011 as a standalone game.
Split into simpler sentences: On July 11,2011 the franchise's developers announced a new version of "Cities XL" titled "Cities XL 2012". It became available on October 20,2011 as a standalone game.