First, let's clarify what a "portable" game usually entails. A true portable application runs entirely from a folder. It saves its settings in that same folder (not AppData ), writes zero entries to the Windows Registry, and leaves no trace on the host PC.
You want true portability without the malware. Here are three legitimate pathways. PORTABLE Download Age Of Mythology Extended Edition
: The classic "Age of Mythology" and the "The Titans" expansion. First, let's clarify what a "portable" game usually entails