The Viking leaders offer a distinct advantage in that they can pick up and drop troops off as they move and can perform something akin to an overrun if they can whack all the defending locals in one round of combat. I forget which Viking leader begins the game, but Dennis gets one to start and draws others from a deck of cards each turn.

Stalingrad-Inferno on the Volga A BoardgamingLife Video Replay
Stalingrad-inferno on the Volga is a solitaire blocking depicting the that culminated in an historic defeat for the German army due to the tenacity of the Russian defenders. While predominantly a solitaire game, it can be played with two players and in this video we give you a replay of the game.