Cassino '44: Gateway to Rome (2009)

From the publisher:

Between January and May 1944, Allied forces launched four major attacks on German positions at the abbey of Monte Cassino. Three times the Germans drove them back, until finally on 18 May 1944 a troop of Polish Lancers raised their red-and-white pennant over the ruins. Over 50,000 Allied soldiers and more than 20,000 Germans fell in the struggle for Monte Cassino.

Cassino '44 is a complete boxed game in the Panzer Grenadier series by David Murray, covering all four of the battles. From the initial American assaults through the final Polish conquest, every stage of the battle is depicted in scenario form with two lengthy campaign games covering the entire affair.

Forces involved include the tough American 36th "Texas" Division, the 4th and 8th Indian Divisions including Gurkha battalions, the 2nd New Zealand Division with its brigade of Sherman tanks and elite Maori Battalion, and the hard-fighting exiles of the Polish II Corps. On the German side, the 1st Parachute Division was probably the best formation the Axis put into the field in World War II, and it's assisted by the 15th Panzer Grenadier Division and other formations.

This game is part of the Panzer Grenadier series