Are you more interested in the or the backstory of why the Ceph invaded in the first place? Crysis 3 Remastered on Steam Storage: 18 GB available space. Crysis 3 | Crysis Wiki

Set in 2047, the story follows (formerly Laurence Barnes), whose consciousness is now entirely integrated into the Nanosuit.

It sounds like you're looking for the deep lore behind , perhaps while waiting for a file (like "part3.rar") to finish.