This game is no longer sold by D3 Publisher or Cartoon Network. It is considered abandonware (a game whose publisher no longer supports or sells it). Downloading it infringes no commercial market because none exists.
: Both Ben and Rex appeared as playable characters in this popular Cartoon Network browser game, specifically featuring the "Upgrade Rex" form from the special. Where to Find and Download Today This game is no longer sold by D3
In the context of classic browser games, a "portable" version is typically a standalone executable file of the game that can be run directly from a USB flash drive, external hard drive, or any folder on your computer, without needing a formal installation process. external hard drive