Totally Spies/Martin Mystery CYOA (Jumpchain-Compliant!)

From the introduction: Ah, this world. This is a world much like your own. Of course, there are some key differences. one is that conspiracies and evil plots lurk just beneath the surface, advanced technology swirls throughout the world, secret organizations work to protect mankind from secret villains, and even the paranormal may roam somewhere in the ether. You'll be spending ten year in this universe of spies and mysteries...