Secret Agent

Secret Agent

Halo: The Master Chief Collection

Secret Agent is an achievement in Halo: The Master Chief Collection. This achievement is obtained by finding the 6th clue in Halo 3: ODST.

Achievements in Halo: The Master Chief Collection (list)

Halo 3: ODST

Campaign completion	Junior Detective • Investigator • Gumshoe • Bloodhound • Private Eye • Secret Agent • Tayari Plaza • Uplift Reserve • Kizingo Boulevard • ONI Alpha Site • NMPD HQ • Kikowani Station • Data Hive • Coastal Highway • Rookie • Urban Warfare Badge • First In, Last Out • Mean Streets of New Mombasa

Campaign scoring	Bill Past Due • Floor It! • An Artist's Canvas • A Pleasant Trip • First Stop: Anywhere But Here! • Feet Don't Fail Me Now • Overtaken By Events • Double Time! • Can't Stop Here, This is Brute Country • Survey Says... • Don't Strain Your Metaphors • Son of a Gun • I Love My Job • Pour It On • Squid Jackpot! • Magic Touch • This Oliphant Has No Brakes • The Marine Corps Gives Its Regards

Collectibles	Listener • An Ear Full • Tuned In • Do Tell • Hear Me Out • Eavesdropping • Auditor • Overheard • Wiretapping • Monitored • Hang Onto My Words • Give Heed • Get A Load • Snoop Troop • All Ears • Ear Bender • Plugged In • Attentive • Watchful • Observant • Scout • Adventurer • Spotter • Considerate • On Your Toes • Archivist • Your Attention Please • Catching On • Wisening Up • Audiophile • Record Store Owner

Easter eggs	One Got Away • Like a Broken Record • Vandalized • Saturday Morning Cartoon • Two Places, Same Time

Miscellaneous	Do You Remember When We Met • Naughty Naughty • Well... Maybe One or Two • Déjà Vu • Safety Not Guaranteed • Nagato Makes Moving Easy • Classic • Catch 'Em Napping • Strong, Silent Type • Bip! Bap! BAM! • Pineapple Express • Fowl Hunt • Does Whatever a Spartan Can? • Firefly • "BLAM" Said The Lady! • One Way Ride • Just Sayin...I Ain't Dead • Deference of Darkness • Those Left Behind • Shoot and Scoot • Fast and Low • Shiny... • Bits and Pieces • What About Those Tanks? • Xenophobia • NEXT! • Trifecta

For a complete list, check out our Master Chief Collection achievements category.

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