Most sequels are never a patch on the original, especially when they're little low budget horror films. Black Sun is the rare exception. The film makers obviously have a huge story they want to tell, but the first Outpost was so low budget it featured little more than a handful of men in a tiny bunker. In the sequel we discover the real story is all about controlling the technology that created the undead stormtroopers of the first film. Everybody wants a piece of the action; the oldest living Nazi's who invented The Machine for making zombies, Nazi Hunters, Nato and American troops, and a rogue physicist are all chasing down the technology for their own aims. Where the original was a dressed up ghost story, Black Sun is a man-against-technology/man-against-the-supernatural actioner. Ultimately it's about shooting at undead Nazi zombie stormtroopers which will make it movie Marmite, (you're either going to love it or hate it), but Black Sun is without doubt the best movie in the Nazi Zombie sub-genre. The sort of movie John Carpenter wished he could still make.