Pharaoh's Curse © 1983 HES [Human Engineered Software]
2 versions exist, 8k and 16k.
Completing the first 3 levels gets you part of a secret code (level 1 – DEA; level 2 – DMU; level 3 – MMY), which is DEADMUMMY. With it, you can start at any level (1-4).
Game's ROM.