Halo: ODST

Halo: ODST is a first-person tactical shooter video game developed by 343 Industries and Certain Affinity that was published by Microsoft Studios for the Xbox 360.

Marketing
The english versions of ODST were released to those residing in the United Kingdom and United States of America on November 6th of 2012, and the following day, the game became available to the peoples of Australia and Japan.