National Strategy: I Know This Plot!

Waking up from a deep sleep.Lin En found himself back at the age of eighteen, sitting in the familiar high school classroom.Thinking it was a campus rebirth story, but unexpectedly, this was a parallel space of National Strategy.In this world, strategy has become a responsibility and obligation that citizens must undertake?Only by strategizing the dimensional space can one qualify to become a real strong person?As an ordinary person, facing this dangerous dimensional space, where should he go?Fortunately, a golden finger was activated.As long as the system's strategy choices are completed, rich rewards can be obtained.However, as soon as Lin En decided to enter the dimensional space, he gradually felt something was wrong...Why are all the things that happened here, the plots of the games he used to play?