HudSight is available on Steam . Because it’s tied to your Steam library, there is no "code" to enter if you buy it there—it just works. This makes "leaked codes" for the Steam version nonexistent. How to Get HudSight for Free (Legally)
Most sites offering "free codes" are bait for malware, survey scams, or phishing attempts. They often ask you to download a "keygen" or "activator" which is almost certainly a virus designed to steal your gaming accounts or personal data. hudsight exclusive free activation code
If you are searching for an "exclusive free activation code" online, you will likely encounter dozens of websites claiming to have "generators" or "leaked lists." Here is the reality of those sources: HudSight is available on Steam