Earth's Last Guardian

The game takes place in a post-apocalyptic Earth that has been ravaged by a viral outbreak, this outbreak reduced the world’s population by 96 %. - Our protagonist is an average guy living a mundane life with his sister, go to work eat and, sleep, rinse and repeat day after day. - This all changes the day a strange letter appears in his bedroom informing him of his uncle’s death, and that he must now take up his family’s mantle and join an eternal war. - The game is mostly a sandbox, you chose what you want to do and who you want to build relations with. - A small hint to progress past the town being the only thing unlocked: