Unsolved Mysteries

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Unsolved Mysteries

Halo: The Master Chief Collection

Unsolved Mysteries is an achievement in Halo: The Master Chief Collection. It is awarded by finding the Data Pad 12 on Nightfall on Legendary difficulty in Halo: Reach.

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Achievements in Halo: The Master Chief Collection (list)

v • d • e Halo: Reach

Campaign completion	We're Just Getting Started • Protocol Dictates Action • I Need A Weapon • To War • You Flew Pretty Good • Into The Howling Dark • Dust And Echoes • This Is Not Your Grave • Send Me Out... With A Bang • Welcome to Reach • The Soldier We Need You To Be • Folks Need Heroes... • Gods Must Be Strong • A Monument To All Your Sins

Campaign time	Winter Urgency • Just Like Storming a Castle • Now Just You Gúta Minute • Generous Tipper • Sabre Metrics • Quicker Than Reading the Book • One For the Record Books • Speedy Delivery • Wait, How'd the Ship Get Down Here? • Fast Fall

Campaign score	Ice In Your Veins • Still Sharp • Moon's Out, Goons Out • Bake That Cake • Insomnia • Parting the Sea • Nine Lives Are a Myth • How Did I Lose All My Fingers? • Precious Cargo • We'll Be Back • Left Behind • One Final Firefight

Collectibles	Hey, You Dropped This • Read Halsey's Journal • Meeting of the (Artificial) Minds • Rampant Speculation • Minority Report • Info Dump • Paper Trail • Terminal Conditions • Digital Destinies • Clear and Present Danger • Unreliable Narrator • What Does It All Mean? • Unsolved Mysteries • Meddling and Madness • The Answer is Simple • Of Patience and Partiality • Curious Composition • Silent Shepherds • Assembled the Majority • Yes No You Decide • Canonical Conundrum

Easter eggs	Forza in the Fall • HBOrg Special • Play Us a Sad Song, Claude • We're Gonna Need a Bigger Ship • Front Page News • The Humble Beginnings of Wiljax Brantley • Did You Major in Marine Bio? • Fly, You Fools! • This is Not the Greatest Lab in the World… • Jorge Can't Have All the Big Guns • I'm Sorry, Dave • Collection Eligibility Confirmed • Mind the Skill Gap • Easy to Overlook • New Ways to Save a Quid • Confused Callouts • No Picnic • What About Bob?

Miscellaneous	T'vaoan Terminator • Chol Von's Not Gonna Like This • Keep It Clean • They've Always Been Faster • Wake Up Buttercup • Two Corpses In One Grave • Your Heresy Will Stay Your Feet • I Didn't Train To Be A Pilot • Tank Beats Everything • Swift and Shallow • Why Do This To Yourself? • Reach Has Been Good to Me • Who Needs Red Flag? • Remember Reach • Keep Your Foot on the Pedrogas • Enemies Everywhere! • Negative, Ghostrider • Skunked • Workers' Compensation • Capacious Cartography • Requiescat in Pace • Run and Gunned • Game Breaker • Because It Wasn't Hard Enough • Classic Completion

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

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