The Pharaoh's Curse (1983)

"In the centuries since the sealing of the Pharaoh's Tomb, even the dim memories of the fabulous treasure contained in the pyramid, have become infrequent whispers on the lips of mad adventurers. For three thousand years, the tomb has been a mystery and deathtrap. It is rumored that the chambers contain dark and terrible dangers for those that would make the pharaoh's treasure their own. And even more ghastly, the pharaoh and the guardian mummy are said to walk the chambers for all eternity, destroying all trespassers in the tomb. You've heard it all before and lived to tell about it and this is a chance of a lifetime. You've spent months finding these ruins and finally you're here at the fabled tomb. Still... what if the legends are true? As you descend into the first chamber, you hear footsteps..." --mobygames.com