The original developers of the X Labs projects (which included S1X) received a cease and desist from Activision in 2023. While files may still be found via torrents or community archives, official support and updates from the original creators have ended.

The client uses a server browser rather than matchmaking, making it easier to find active games despite a smaller total player base.

It runs separately from Steam, meaning it doesn't require a Steam purchase to function, though it uses the game's original files. Comparison: S1X vs. Steam Version Steam Version S1X Client Player Count Very low (~40 avg. players) Community-driven server list Customization Limited; locked FOV/FPS Advanced console & visual settings Stability Known for crashes and lag Generally more stable for modern hardware Monetization Supply drops/Microtransactions Everything unlocked for free Is it worth it in 2026?

Reviews of the S1X client consistently highlight several advantages over the standard "Gold Edition" available on Steam:

If you want to play Advanced Warfare on PC, the is the recommended way to do it. The official Steam version is largely considered "unplayable" or "broken" by current users due to poor optimization and lack of active players. However, while S1X provides a better technical experience, the player base is still niche and mostly active during peak hours or organized community events.

The for Call of Duty: Advanced Warfare (AW) is a community-made mod designed to improve the PC multiplayer experience, which has largely been abandoned on the official Steam version. Key Features & Benefits