When searching for "Robot 64 uncopylocked portable," you must be cautious:
: The availability of the uncopylocked engine sparked a surge in "Robot 64-style" fangames. Developers use these decompiled maps and scripts
The sky over Neo-Bolivar wasn’t blue; it was the flickering teal of a corrupted CRT monitor.
: Indicates that the device is designed to be easily moved or transported, suggesting it could be used in various locations or settings.
refers to a specific version of the game that was released by the developer (or leaked and re-uploaded by the community) with the "uncopylocked" setting enabled. This means any Roblox user can take the game, open it in Roblox Studio, edit the code, and republish it as their own. The "Portable" aspect usually implies it was optimized to run on lower-end devices or mobile, or simply that it was a standalone file easy to transfer.