Project ERA is a survival horror game set in a post-apocalyptic world. The story takes place on a desolate Earth, where humanity has relocated to space. However, after hundreds of years, resources are running out. Consequently, they must send a retrieval unit to collect items gathered by a previous exploration team within a specific location on Earth. Upon arrival, they discover that Earth is now filled with harsh environments and mutated creatures. The mission is to retrieve all five items and reach the extraction point to survive.