D-Day Defender - another cool castle defense game with lots of shooting and blood. D-Day: June 6, 1944, 6:30 am. 160,000 allied infantry troops are approaching the coasts of Normandy to conduct the largest amphibious landing in history. There you are, a lone soldier in a turret. How long can you defend the shores? Defend your turret as you blast the incoming waves of enemies, jeeps, and tanks. Watch those reloads.