| Series | Title | Type |
| Forerunner Saga | Cryptum | Novel |
| Forerunner Saga | Primordium | Novel |
| Halo: Legends | Legends: The Duel | Short Film |
| The Fall of Reach | The Fall of Reach: Boot Camp | Graphic Novel |
| Contact Harvest | Novel | |
| Halo Evolutions | Evolutions: Pariah | Short Story |
| Halo: Legends | Legends: Homecoming | Short Film |
| Halo Wars | Halo Wars: Genesis | Graphic Novel |
| Halo Wars | Halo Wars | Game |
| The Cole Protocol | Novel | |
| Halo: Legends | Legends: The Package | Short Film |
| Halo: Legends | Legends: Prototype | Short Film |
| Halo: Legends | Legends: The Babysitter | Short Film |
| Helljumpers | Graphic Novel | |
| Blood Line | Graphic Novel | |
| The Fall of Reach | The Fall of Reach | Novel |
| Halo: Reach | Game | |
| Halo Evolutions | Evolutions: Stomping on the Heels of a Fuss | Short Story |
| The Original Halo Trilogy | Halo: Combat Evolved | Game |
| The Flood | Novel | |
| First Strike | Novel | |
| The Original Halo Trilogy | Halo 2 | Game |
| Ghosts of Onyx | Novel | |
| Halo 3: ODST | Game | |
| The Original Halo Trilogy | Halo 3 | Game |
| Kilo-Five Trilogy | Glasslands | Novel |
| Halo: Nightfall | Television | |
| Halo Evolutions | Evolutions: Soma the Painter | Short Story |
| Forerunner Saga | Silentium | Novel |
| Halo: Fractures | Fractures: Defender of the Storm | Short Story |
| Halo: Fractures | Fractures: Promises to Keep | Short Story |
| Halo: Fractures | Fractures: Untitled Story | Short Story |
| Broken Circle | Novel | |
| The Fall of Reach | The Fall of Reach: Covenant | Graphic Novel |
| The Fall of Reach | The Fall of Reach | Short Film |
| Halo 4: Forward Unto Dawn | Television | |
| Halo: Fractures | Fractures: The Ballad of Hamish Beamish | Short Story |
| Tales from Slipspace | Tales from Slipspace: Something Has Happened | Comic Issue |
| Halo Evolutions | Evolutions: Midnight in the Heart of Midlothian | Short Story |
| Halo Evolutions | Evolutions: Headhunters | Short Story |
| Tales from Slipspace | Tales from Slipspace: Hunting Party | Comic Issue |
| Halo Evolutions | Evolutions: Blunt Instruments | Short Story |
| The Fall of Reach | The Fall of Reach: Invasion | Graphic Novel |
| Halo Evolutions | Evolutions: Dirt | Short Story |
| Halo Graphic Novel | Halo Graphic Novel: Breaking Quarantine | Comic Issue |
| Halo Graphic Novel | Halo Graphic Novel: The Last Voyage of the Infinite Succor | Comic Issue |
| Halo Graphic Novel | Halo Graphic Novel: Armor Testing | Comic Issue |
| Halo Evolutions | Evolutions: Mona Lisa | Short Story |
| Halo Graphic Novel | Halo Graphic Novel- Second Sunrise Over New Mombasa | Comic Issue |
| Halo Evolutions | Evolutions: Palace Hotel | Short Story |
| Uprising | Graphic Novel | |
| Landfall | Short Film | |
| Halo Evolutions | Evolutions: Human Weakness | Short Story |
| Halo Evolutions | Evolutions: Wages of Sin | Short Story |
| Halo Evolutions | Evolutions: The Impossible Life & The Possible Death of Preston Cole | Short Story |
| Halo Evolutions | Evolutions: From the Office of Dr. William Arthur Iqbal | Short Story |
| Shadow of Intent | Short Story | |
| Initiation | Graphic Novel | |
| Halo: Fractures | Fractures: Breaking Strain | Short Story |
| Kilo-Five Trilogy | The Thursday War | Novel |
| Kilo-Five Trilogy | Mortal Dictata | Novel |
| Last Light | Novel | |
| Halo: Fractures | Fractures: A Necessary Truth | Short Story |
| Retribution | Novel | |
| Hunters in the Dark | Novel | |
| New Blood | Novel | |
| Halo: Fractures | Fractures: Lessons Learned | Short Story |
| Legacy of Onyx | Novel | |
| Bad Blood | Novel | |
| Halo: Spartan Assault | Game | |
| Halo: Fractures | Fractures: Anarosa | Short Story |
| Halo: Fractures | Fractures: Into the Fire | Short Story |
| Smoke and Shadow | Novel | |
| Halo: Legends | Legends: Origins | Short Film |
| Halo: Spartan Strike | Game | |
| Saint's Testimony | Short Story | |
| Halo: Fractures | Fractures: Oasis | Short Story |
| Halo 4 | Game | |
| Tales from Slipspace | Tales from Slipspace: Dominion Splinter | Comic Issue |
| Halo 4: Spartan Ops | Game | |
| Tales from Slipspace | Tales from Slipspace: Fireteam Majestic Poker Night | Comic Issue |
| Halo: Escalation | Escalation, Vol. 1 | Graphic Novel |
| Halo: Escalation | Escalation, Vol. 2 | Graphic Novel |
| Tales from Slipspace | Tales from Slipspace: Knight Takes Bishop | Comic Issue |
| Hunt the Truth | Hunt the Truth (Season 1) | Audio Drama |
| Halo: Escalation | Escalation, Vol. 3 | Graphic Novel |
| Halo: Escalation | Escalation, Vol. 4 | Graphic Novel |
| Tales from Slipspace | Tales from Slipspace: On the Brink | Comic Issue |
| Hunt the Truth | Hunt the Truth (Season 2) | Audio Drama |
| Envoy | Novel | |
| Halo 5: Guardians | Game | |
| Halo Wars | Rise of Atriox | Graphic Novel |
| Tales from Slipspace | Tales from Slipspace: Undefeated | Comic Issue |
| Halo: Fractures | Fractures: Rossbach's World | Short Story |
| Halo: Fractures | Fractures: What Remains | Short Story |
| Halo Evolutions | Evolutions: The Return | Short Story |
| Halo Wars 2 | Game | |
| Halo 6: Infinite | Game |
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