Always scan any downloaded save file with your antivirus, and never share your own userdata folder publicly — it contains your Steam ID. Last updated: 2026 – Verified for both the original Steam version and the backwards-compatible version on Windows 10/11.

This piece covers what 100% truly means, where to find reliable save files, how to install them correctly, and important compatibility notes. Call of Duty: Black Ops 2 (2012) remains a fan-favorite not just for its multiplayer, but for its branching, choice-driven campaign and the completionist's dream — the Challenge Menu . Unlike most CoD titles, BO2 tracks every single weapon camo, challenge, intel piece, and mission outcome.

If you're a purist, use the 100% save to unlock all missions, then manually complete the remaining challenges yourself — it's one of the most satisfying CoD campaigns to master.