USSR, 1987, the Chernobyl disaster is still fresh in people's minds. Its consequences are becoming increasingly visible.

In the sinister strata of the Soviet energy department, Doktor Sergei Popov draws lessons from this first, encouraging but failed experience… He had put in a safe place, a year earlier, the artifact that Krono-Gorgon had entrusted to him [where do you think the letters KG in KGB come from?!].

Recently, Doktor Popov joined Reactor 7, a second-generation power plant, and this time, he is determined to bring the project entrusted to him by the Gorgon to completion!

You, valiant teams of time travelers from Odyssey Adventure, will soon be sent to prevent another nuclear catastrophe, and find the artifact entrusted to Popov.

Will you have the skill to stop Popov and Gorgon before disaster strikes? Will you find the entrusted object to prevent this from happening again and again? Find out in Reactor 7!