This is a remake of the 8-bits classic videogame "Oh, Mummy!"
https://en.wikipedia.org/wiki/Oh_Mummy
you are an archeologist in a maze siezed by angry mummies.
Walk around the sarcuphagus to open them, and find the key to exit to the next level.
Some sarcuphagus have a mummy inside. Other, have an amulet which gives you inmunity for 10 secs.
Each level is more dificult than previous!