The Last Hope
You are a scientist who was working on the development of a time machine. When the experiment began, a wormhole was formed and mankind and most of wildlife disappeared. Now you are humanity's last hope because you are the last man alive. Your mission is to find the time machine .Therefore you will have to explore Russia, Germany, Norway, Egypt, U.S., Mars and the Moon. Use portals because these can teleport you to different ages from the Age of the Dinosaurs to our Era. But a problem that you will face is how to survive. You will have to find resources like fish, fruits, beer, vodka, and water because these will help you to stay alive. Also transportation like cars, boats, airplanes and rockets will help you to travel faster. Save mankind and become it's president!