Previous: 1999 • 2004
Next: 2007 • 2021
2005 was a fairly quiet year in terms of Halo, with no new titles announced or released.
Halo universe events
- November: Dr. Jonas Volman, the author of The Castaway Theory, goes missing.
Real world events
- April 25: The Bonus Map Pack and Killtacular Pack for Halo 2 are released.
- May 12: The Xbox 360 console is officially announced.
- July 5: The Maptacular Pack and Multiplayer Map Pack for Halo 2 are released.
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