Claustrophobic survival game The Solus Project received some extra content through an update recently. Owners of the game will now have access to a large new island along with the biggest cave system yet, giving an estimated 3-5 hours of additional gameplay and dozens of new mysteries and items.

The Solus Project is currently available through the Xbox One Game Preview Program and sees players stranded on a seemingly deserted alien planet tasked with surviving the harsh environment and finding the key to mankind’s future. Check out the new trailer below.