... — File: Halo.spartan.assault.zip

your existing save files, which are usually located at: C:\Program Files (x86)\Steam\userdata\[YourUserID]\277430\remote\ .

: It explores the origins of the Spartan Ops program, set between the events of Halo 3 and Halo 4 . Halo: Spartan Assault Overview! Weapons, Vehicles, & Story! File: Halo.Spartan.Assault.zip ...

If you were referring to features of the game itself rather than the ZIP file: your existing save files, which are usually located