XCOM was a planned first-person tactical action sci-fi game and a reboot of the classic tactical strategy X-Com series originally developed by Mythos Games and MicroProse, while focusing on a new origin story. Developed by 2K Marin, it was originally announced for a release on March 6th 2012 but was pushed back to a release between April 2013 - March 2014. On April 15th 2013 the game's websites were shut down and on April 26th 2013 it was re-announced and retitled as The Bureau: XCOM Declassified, a tactical third-person shooter scheduled to release August 20th 2013.
The game follows Special Agent William Carter and his elite team of X-COM agents as they battle an unknown extraterrestrial threat against humanity in the year 1962. Carter and his team must systematically battle the alien force while using the opportunity to capture and research alien technology, and equipping these technology in the fight against the menace.
E3 2011 Trailer