Halo: The Master Chief Collection — patch notes and updates
Stored observation / content update:
Dated developer announcements recorded from Steam. Open the source for the complete update.
| Update | Date | Excerpt / source |
|---|---|---|
| Mod Minute | 2026-03-20 | Welcome to the MCC Mod Minute, a focused look at a creative mod for Halo: The Master Chief Collection, with details on how to try it out yourself through the Steam Workshop.Earlier this week, we were saddened to learn of the tragic passing of New York Times bestselling author and Halo: The Flood writer William C. Dietz.Though Mr. Dietz only penned one tome in the expansive annals of the Halo universe, his creative contributions remain beloved by Halo fans across the world, who celebrate the boots-on-the-ground realism of his prose and the enduring resolve of his characters.As a humble tribute to the late, great Mr. Dietz, our latest MCC Mod M |
| Halo Franchise Sale & Halo: Campaign Evolved Wishlist | 2026-03-02 | All your favorite Halo titles on Steam are currently on sale! Whether you’re jumping back in or picking up a classic for the first time, now’s a great time to expand your library.Be sure to check out the full sale here: https://store.steampowered.com/sale/halofranchisesale2026While you’re there, make sure to wishlist Halo: Combat Evolved Campaign on Steam so you don’t miss what’s next: |
| Exchange Update – 2026 | 2026-02-26 | The Exchange is getting an upgrade!The implementation of the Exchange gave players a new way to unlock gear. Play the game, earn Spartan Points, redeem said points for sweet unlocks. Effective today, almost all of the available Exchange content will be available to grab in perpetuity. That means that if there’s something in the Exchange that you’ve wanted, there’s a good chance it’s there now waiting for you.Additionally, we know there’s some content in the game that only made one appearance (if that) and there have been asks to see it return. A chief example of this is the Avalanche Sniper Rifle: a reward for reaching a rank of 20 in Halo 3 |
| Mod Minute: Warthog Rally | 2026-02-11 | Welcome to the MCC Mod Minute, a focused look at a creative mod for Halo: The Master Chief Collection, with details on how to try it out yourself through the Steam Workshop.Start your engines! Warthog Rally is a retro-style racer that puts you behind the wheel of a variety of custom-made Warthogs, motorcycles, and a few other truly sweet whips on a timed slalom through eight circuits of motoring mayhem.Select your course, nab a beverage, and load up with your preferred allies for a master course in acceleration. As if cornering weren’t hard enough, you can also adjust the number of enemies on the course for an extra challenge, with options ra |
| February 2025 Update Patch Notes | 2025-02-28 | A small patch for MCC has been released today, February 28. Resolved Issues This update includes maintenance for the Easy Anti-Cheat implementation in Halo: The Master Chief Collection. Although Easy Anti-Cheat is primarily active in the PC release of Halo: The Master Chief Collection, the changes included in this update require a download on Xbox consoles as well. Known Issues With this update, the team has added a new issue to our Halo: Combat Evolved Known Issues list: When playing on Steam Deck with Easy Anti-Cheat enabled, players may experience Easy Anti-Cheat error messages when playing Halo: Combat Evolved campaign missions Click here |
| Digsite Demos: Halo 2 | 2024-11-11 | The time has come. In celebration of Halo 2’s twentieth birthday, the Digsite modding crew has released their latest content drop which includes two cut missions from the 2004 game. Let’s dive into what’s available on the Steam Workshop for Halo: The Master Chief Collection on PC today! E3 2003 "Earth City" “Bet ya can’t stick it.” At E3 in 2003, over twenty-one years ago now, a gameplay demo of Halo 2 was shown for the first time to the world. The city of New Mombasa on Earth is under attack by the Covenant and the Master Chief is flown in to join the fight alongside Marines and ODSTs with a new arsenal (namely a single-shot battle rifle and |
| Halo 2 | Twentieth Anniversary | 2024-11-09 | In 2001, the world of console gaming and first-person shooters was forever changed by the release of Microsoft’s Xbox platform with a launch title named Halo: Combat Evolved—a bold subtitle that the game wholly lived up to. As the Master Chief, we set foot on an ancient ringworld named Halo, fought against the Covenant alongside our ragtag Marine allies and trusty guide Cortana, and uncovered the horrifying secrets in the depths of this alien megastructure before blowing it to smithereens. It seemed like the fight had been finished, but as the Chief himself said at the end: “I think we’re just getting started.” It is November 9, 2004. It’s a |
| Purple Heart Day | 2024-08-07 | The Purple Heart honors heroes that have been wounded in service of their country. https://media.giphy.com/media/v1.Y2lkPTc5MGI3NjExNnhrMjR4aDY3YjFtZXl6aGE0Y250cTdxeHk1anFwOTUzNXI1ejRkcCZlcD12MV9pbnRlcm5hbF9naWZfYnlfaWQmY3Q9Zw/xEHI1hmXX6zW44EP4s/giphy.gif Today, we remember our heroes and their sacrifices. 💜 Commemorate Purple Heart Day by grabbing the Purple Heart Day nameplate simply by logging on before August 14th! |
| International Pirate Month | 2024-08-01 | Ahoy! It’s #InternationalPirateMonth 🏴☠️ https://media.giphy.com/media/v1.Y2lkPTc5MGI3NjExYm9ia3hkZzc4bW9zM2szaDloZjhpYnRmeDNlM3hjejZiNjBqaTBwZyZlcD12MV9pbnRlcm5hbF9naWZfYnlfaWQmY3Q9Zw/zYOPYxz7TkUwGZtYEA/giphy.gif Channel yer inner Kig-Yar pirate and hunt for treasure in MCC! Log in now to snag the International Pirate Month nameplate—or risk the plank! |
| Independence Day | 2024-07-04 | Light up the night with celebrations, Spartan! https://media.giphy.com/media/v1.Y2lkPTc5MGI3NjExNDcxaGZpeHUwZmd1b3kwYWQ2Y3NhcGFzcms0Zjhqazl2MDF2NzZ6YiZlcD12MV9pbnRlcm5hbF9naWZfYnlfaWQmY3Q9Zw/UiN8Z6ycB5irZ1eM6k/giphy.gif Happy 4th of July! 🎆🦅 |
| Disability Pride Month | 2024-07-02 | July is Disability Pride Month. 💚🩵🤍💛❤️ https://media.giphy.com/media/v1.Y2lkPTc5MGI3NjExd2xiaXBsbGpnMWM2ajJvYXNwMGZxY2Nrbzh3dXA0N2UxcHhsNTF4ZSZlcD12MV9pbnRlcm5hbF9naWZfYnlfaWQmY3Q9Zw/0S31Ow1Mw6PgpbrYkX/giphy.gif We celebrate every Spartan as they are. Whether a person’s disability is visible or hidden under the surface, Halo is a universe where anyone can be a hero! Log in to MCC between now and July 31 and you'll automatically unlock the Disability Pride Month nameplate! |
| Juneteenth | 2024-06-19 | Commemorate a day of freedom and humanity. Juneteenth celebrates the emancipation of enslaved Black Americans on June 19, 1865 reminding us to unite to fight oppression for a better future. Log in to MCC between now and July 1 to unlock the Juneteenth nameplate. |
| Unity Month | 2024-06-01 | This June, we celebrate with our LGBTQIA+ Spartans near and far. Halo is a place where everyone can be themselves and we strive for unity and inclusion for all 🏳️🌈 Celebrate with the Unity nameplate by logging into MCC all month long! 🫰 |
| Mental Health Awareness & Asian Pacific Islander Heritage Month | 2024-05-01 | May is both Mental Health Awareness and Asian Pacific Islander Heritage month! Mental Health Awareness Month is a time to learn and reflect. https://media.giphy.com/media/v1.Y2lkPTc5MGI3NjExa3pwcG5sYjl1cHlraHN2bjZiamoza2d5eTlkbmdhcXduYXdpNXQ3bCZlcD12MV9pbnRlcm5hbF9naWZfYnlfaWQmY3Q9Zw/s0Bj8o52yZOhfjMyXX/giphy.gif Be sure to take advantage of opportunities for education, advocacy, and awareness about mental health – whether that's to look after yourself or those around you. May also marks Asian and Pacific Islander Heritage Month. We at 343 honor our colleagues and community members who celebrate Asian and Pacific Islander Heritage Month, and a |
| Earth Day Nameplate | 2024-04-23 | Get 'Hog Wild' this Earth Day! 🌍🌿🐗 Log into MCC by April 29 to claim your exclusive nameplate and show your love for our planet's wildlife! 🌎 |
| Casimir Pulaski Nameplate | 2024-03-05 | Hay there! Celebrate Casimir Pulaski Day, the father of the American cavalry, by unlocking the free nameplate simply by logging in before March 13. Stop horsing around and get your nameplate today 🐎 |
| Women's History Month | 2024-03-01 | Happy Women's History Month and International Women's Day (March 8)! During Women's History Month, we recognize all women who, through their talents and passion, have made an impact and brought positive change to our industry, our studio, and our community. We can do it...together. The Women's History Month nameplate is obtained by simply logging in any time between now and March 31, 2024. https://media.giphy.com/media/v1.Y2lkPTc5MGI3NjExMzV4b2txdW1qMjA4cmttZTJtY2NjaHhrdmxhaGVmMXZvMTZ2OGVwayZlcD12MV9pbnRlcm5hbF9naWZfYnlfaWQmY3Q9Zw/dMyJvkebcJsLGA2qm5/giphy.gif The International Women's Day nameplate can be obtained by logging in any time betwe |
| World Whale Day | 2024-02-18 | Whale, whale, whale... 🐳 https://media.giphy.com/media/v1.Y2lkPTc5MGI3NjExdHA2NGZhYnp3YTB3bzlnMzF3Z2x1OWd4YjE5NGY4YWdla25zd3R1dCZlcD12MV9pbnRlcm5hbF9naWZfYnlfaWQmY3Q9Zw/mpDITHDgVGeuzEfpby/giphy.gif Let's not blow this out of proportion. Dive into MCC from now until Feb. 25 to grab the World Whale Day nameplate and make a splash! 🐳 |
| Valentine's Day | 2024-02-14 | Embrace the power of love with the ultimate symbol of affection – the Energy Sword ⚔️💓 https://media.giphy.com/media/v1.Y2lkPTc5MGI3NjExa3hqZXhpdXFlN3AwZjQ4dXZkODlzMGh3eWE2MXkydjdtZGxsYzNrYiZlcD12MV9pbnRlcm5hbF9naWZfYnlfaWQmY3Q9Zw/N0509BwaPqmh5WM9nR/giphy.gif Leap into MCC from now until Feb. 21 to grab the #ValentinesDay nameplate and spread the love across the battlefield! |
| February Update Patch Notes | 2024-02-14 | A small patch for MCC has been released today, February 14. To view the full patch notes, please visit the Halo Support Site. The primary goal of this update was to Improve Halo 2 Classic hit registration and projectile speed in online multiplayer matches. Some developer notes: With this update, we’ve resolved an issue that halved the "hitscan range” of weapons in Halo 2 Classic multiplayer. In Halo games, the term “hitscan” refers to a projectile’s potential to instantly travel and impact its target. Several weapons in Halo 2 will use “hitscan” within given ranges, in other words they will only deal damage instantly when enemies are within a |