- Red Steel has new 16 scenarios, with 14 of them in the main campaign path, and 2 more in case of a minor outcome at Stalingrad
- New Soviet commanders have been added, and can be unlocked on top of those from Red Star by achieving certain objectives
- A new set of specializations shows the impact of Lend-Lease aid. Other choices show the development of the Red Army when forming specific Shock Armies, and later Guards Armies.
- New and improved units