Hardened

Hardened may refer to:
*Hardened (difficulty) - A difficulty setting for the campaign modes of the Call of Duty series.
*Hardened (perk) - A Tier 2 perk featured in Call of Duty: Black Ops.
*Hardened (Trait) - A trait for the Stryker combat rig in Call of Duty: Infinite Warfare
*Hardened Sentry - A scorestreak in Call of Duty: Black Ops III
*Hardened edition - A version of Call of Duty: Modern Warfare 3