The most effective way to force higher resolutions and maintain a proper aspect ratio is by using , which wraps the game's original DirectX 8 calls into DirectX 11 or 12.

Keep this Off , as forcing it through dgVoodoo is known to cause glitchy shadows in this specific game.

The community reaction was euphoric. A dormant subreddit exploded with screenshots. One user wrote: “I’ve been playing this game every year since 2005. For sixteen years, I’ve played with black bars or stretch mode. Tonight, I saw the Cathedral of the Sacred Blood for the first time as it was meant to be seen. I actually teared up.”

Download the Chaos Legion Broken Textures fix (a specific d3d8.dll ) and place it in the game folder to eliminate visual noise.

If you want, I can:

For this guide, we will assume you want to play in .