It takes place concurrently with the events of the film, with players playing as an unnamed Prodigium soldier under the command of Dr. Henry Jekyll (with the likeness of Russell Crowe from the film) who must fight the evil forces of Princess Ahmanet (with the likeness of Sofia Boutella).

[5] Upon dying the game resets the player as a new character, who then must retrieve their items from a zombified version of their former selves.

In terms of the Metroidvania genre, Destructoid noted that the game seems to more closely resemble later side scrolling Castlevania games as opposed to Super Metroid,[6] with GameSpot noting that it also seemingly takes influence from Ghosts 'n Goblins.

They got tens of thousands of photos from the set of the film, using 2000 of them as references for backgrounds and characters before they began working on the game.

[7] The Mummy Demastered received "generally positive" reviews for Microsoft Windows, PlayStation 4, and Nintendo Switch and "mixed or average" reviews for Xbox One,[8][9][10][11] with critics praising WayForward's pixel art and mastery of the Metroidvania genre,[12][13][14][16][17][18] while also noting it as a massive improvement over the film it was based on.