Having big, formidable tanks in your army was a good way to win battles during WWII. Some of the biggest and toughest were Germany’s Tigers. They were originally going to be available for the Battle of El Alamein, but didn’t quite make it there. They did end up in Tunisia later, though. They can also be in your armies for Flames of War, since they’re available from Battlefront.
The massive Tiger tank was planned to be in service for the Battle of El Alamein. Technical problems delayed its arrival in North Africa until later in the year when they were shipped to Tunisia to fight there. They fought alongside the Afrika Korps in the Battle of Kasserine Pass.