The Dungeonmaster (1984)
A demonic wizard challenges a modern day computer programmer to a battle of technology vs sorcery, with the programmers girlfriend as the prize
Arena (1989)
A human becomes an unlikely rising star in the biggest fighting tournament in the galaxy thats dominated by alien species
Enemy Territory (1987)
An insurance salesman inadvertently gets trapped after dark in an apartment building that is terrorized by a street gang called The Vampires