What is Yours is Also Mine

Halo 4

What is Yours is Also Mine is a Halo 4 achievement added with the Castle Map Pack. It was unlocked when a player, in Castle DLC matchmaking, disabled a vehicle and then hijacked it.^[1] It is represented by the Hijack sign surrounded by lightning bolts from the EMP Assist medal.

Following the shutdown of Xbox 360 Halo online services on January 13, 2022, this achievement is no longer attainable.^[2]^[3]

Trivia[edit]

The requirement for What is Yours is Also Mine is very similar to the Halo 3: ODST achievement Stunning!

Sources[edit]

^ Halo Waypoint: Halo 4 Castle Map Pack Achievements
^ Windows Central, Halo Xbox 360 servers have been shut down, ending an era (Retrieved on Jan 23, 2022) [archive]
^ Halo Waypoint, Sunsetting Halo Xbox 360 Game Services in 2021 (Retrieved on Jun 1, 2020) [archive]

v • d • e Achievements in Halo 4 (list)

Campaign	Dawn • Requiem • Forerunner • Infinity • Reclaimer • Shutdown • Composer • Midnight • Wake Up, John • I Need a Hero • The Legend of 117 • Lone Wolf Legend • Skullduggery • Bropocalypse • Bromageddon

Level-specific	Digging up the Past • Midnight Launch • This is my Rifle, This is my Gun • Bros to the Close • Mortardom • Explore the Floor • Give Him the Stick • Chief, Smash!

Terminals	Contact the Domain • Terminus

Spartan Ops	Operation Completion • A Legendary Episode • Dedicated to Crimson • Crimson Alone • Roses vs Violets • No One Left Behind • Knight in White Assassination • What Power Outage? • No Easy Way Out

Rank	Not Some Recruit Anymore • Movin' on Up

Multiplayer	I <3 Red vs Blue • Hanging on the Combat Deck • The Challenged • The Challenger • Armorer • Badge • PWND • What a Poser! • The Cartographer • Game Changer • Snapshot! • The Director • Sharing is Caring

Crimson Maps multiplayer	Now They Fly? • Size Is Everything • ODST • Bigfoot • David and Goliath • Clay Pigeon • Special Delivery • Pump Yer Brakes

Majestic Maps multiplayer	Callin' in the Big Guns • I Thrust at Thee • Didn't See It Comin' • Bird of Prey • Bullet Sponge • I See You! • Clever Girl • Flash of Light • Last Man Grinning • Pigs Can Fly

Castle Maps multiplayer	What is Yours is Also Mine • Dodge This! • Hello Nurse! • That Won't Save You • Ashes to Ashes • Beating Up the Beat • Sight Seeing • Scrapyard • Outta My Way!

Bullseye Maps multiplayer	Protect This House • Hat Trick • From Downtown • Repeat Survivor • Can't Catch Me • Just a Scratch • Pitchin' a Tent • One Man Army • Shocking • Got it!

Trivia[edit]

Sources[edit]

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