The original Halo is now playable in web browsers with multiplayer support

The Xbox version of Halo is playable in a web browser as AI-driven decompilations and mashups flood social media.
Deadline.com

‘Halo: Campaign Evolved’ EP Damon Conn On Preserving A Classic While Bringing It To A New Generation

As Halo approaches its 25th anniversary alongside the launch of the first Xbox—a pairing at the time which was a reinvigorating catalyst for the first-person shooter genre—Halo Studios is returning to ...
GameSpot

Halo: Campaign Evolved Preorders Are Here, Including A Massive Collector’s Edition

Preorder Halo: Campaign Evolved, and you’ll get the Foundry Armory Pack, which includes the classic 2001 Mark V armor skin, the 2001 Assault Rifle skin, Gilded Onyx armor style, and Gilded Onyx ...