Unlocking The Halo: Campaign Evolved Secret Debug Menu

This blog post is part of a series on exploring the Halo: Campaign Evolved game API. I still vividly remember the day at the Halo World Championship 2025, when Halo Studios announced Halo: Campaign Evolved. New graphics, more missions, and a dive towards Unreal Engine instead of Slipspace. Lots to be excited about! Naturally, when the game first became available, I just had to get it and start playing through the campaign. Now, despite the fact that some folks can complain about the fact that there is no multiplayer, this was not a major detractor for me - I’ve always been a campaign-first kind of guy. But if you know me, you also know that I love looking under the hood of the released Halo games - just think of how much time I spent on random Halo API explorations. When I got the build installed on my local machine, the first question I had was “What can I tinker with in this game?” Halo: Campaign Evolved loading screen. You can watch the video if you want a more hands-on…