Early adopters of Halo: Campaign Evolved on Steam faced an unexpected obstacle during the game's early access launch, as the application repeatedly opened the title's art book instead of the game itself. While the art book is reportedly an extensive digital package featuring artwork, a game manual, and a short story with music, its unintended prominence prevented players from accessing the game they had purchased.

A fix for the issue was deployed approximately 40 minutes after reports emerged. A representative from the Halo team announced on Discord that the Steam Art Book problem was being addressed and would require a Steam client restart to resolve. Subsequent reports indicated that the fix was successful and player complaints began to subside.

For those encountering similar issues in the future, a workaround was identified and shared on Reddit. Players could manually resolve the problem by right-clicking the game in their Steam library, navigating to its properties, and then uninstalling the artbook application. This method allowed users to bypass the art book and launch the game directly.

Beyond the art book issue, players also faced hurdles with the mandatory Microsoft account linking required to play Halo: Campaign Evolved. The initial launch demanded a server connection for this account verification, which, unfortunately, coincided with server problems on the day of early access. While the game can be played offline on PC after the initial account linking, the multiple steps presented a challenging entry point for new players.

For players who managed to navigate these initial hurdles, performance optimization tips for Halo: Campaign Evolved suggest avoiding the Ultra graphical settings. The difference between Ultra and lower settings is reportedly minimal, while opting for Low or Very Low (a handheld-exclusive mode) can yield significant performance improvements. When playing on gaming handhelds, a combination of Very Low settings and FSR Medium is recommended, as even powerful devices like the Asus ROG Xbox Ally X may struggle with native settings. Additionally, it is advised to disable motion blur, which is described as particularly noticeable in the game.