Halo 2: Anniversary Known Issues – Halo Support

The following are active issues for Halo 2: Anniversary as of  6/23/2021 in build 1.2398.0.0.

Campaign

New - Rarely, the game will kick both players from a co-op Campaign session after they skip a cutscene in remastered graphics.
Enemy active camo can be distorted when playing in remastered graphics
Terminal videos default to English only
Subtitles are not present in gameplay
Subtitles are out of sync with the audio in cutscenes
Cinematic audio for Halo 2 and Halo 2: Anniversary is affected by different audio options
Pre-rendered cinematics and Terminal videos can have visual issues in non-16:9 aspect ratios as they were rendered at 16:9
When the Scarab Skull is enabled, gunfire sound effects are missing from multiple weapons
A hard lock can occur upon firing the Plasma Rifle when the Scarab Skull is enabled
After destroying a Sentinel, their lights are briefly visible before disappearing

Any camera turning caused by a view angle restriction while in a vehicle passenger seat will stutter above 60 FPS
Background sound effects are missing from Nebula and Skyward maps
Some pixilation is visible on shadows
Performance lowers during games of 3 Plots
Some maps have areas where texture resolution appears lower-than-expected
When looking at the fan on Stonetown, the framerate sometimes drops to 45 frames per second
Audio is sometimes missing when reloading weapons
When using newer Intel drivers with onboard graphics, you cannot launch the game
Lighting is inconsistent between Elite and Spartan armor
The Hoplite armor is missing a rear armor piece in gameplay

The Trait Zone Properties options cannot be changed when clicked with a mouse, however, the arrow keys on a keyboard will work as expected
Halo 2: Anniversary Multiplayer films are capped at 60 FPS even when the unlimited framerate option is enabled