No. UnityEx is an extraction tool, not a memory editor (like Cheat Engine). It cannot modify in-game health, ammo, or speed. Attempting to use it on live multiplayer games will likely get you banned.
To avoid malware or "fake" versions often bundled with "Ultimate" labels, it is best to download the tool from reputable community hubs: Official Community Threads : The tool is primarily maintained by developer . It is most safely sourced from his threads on the Zone of Games Version Check unityex ultimate download free
: Some community-hosted versions of UnityEX have been flagged by security tools like VirusTotal. Always download from reputable community sources and scan files before use. Quick-Start Guide for Modding No. UnityEx is an extraction tool