Halo 5: Guardians expands again today with the release of Hammer Storm, the Xbox One shooter's latest free update. And that's not all. Developer 343 also teased the game's future expansions and content, confirming that the fan-favorite Firefight mode and more will be added in the future.Included with Hammer Storm is a new Arena map (Torque) as well as new weapons like the Gravity Hammer and the Halo 1-era Magnum.