THE 5 GEMS

It is the year 2054, humanity left the planet to the Andromeda galaxy on a day called "day 0" due to contamination on planet earth. A man named Finn (you) decided to stay on earth, hidden in a tunnel because he did not want to leave, it was not until ten days after "day 0" that Finn left and decided to explore his area because he was bored and was always curious. While exploring, he found a paper that mentioned 5 gems in the area, so he decided to go in search of those 5 gems...