When the ClueFinders transform into the Egyptian gods when entering the Ancient Pyramid, Joni's backpack disappears with no explanation given and it never appears again after she and her group transform back into their normal selves at the end of their adventure.
The box art for later editions of this game depict the ClueFinders wearing the clothes in other games, but still wear the same clothes they had on in the game since the first edition of this game that had accurate clothes to match with the game.
The box art of the first edition which has the correct clothes to match with what the ClueFinders are wearing in the game, Santiago is depicted wearing a green shirt, but wears a light gray one in the game.
On the disc of the game's first edition, the dog Socrates who's with the ClueFinders during this adventure is depicted dressed up like a Sphinx, but never dresses like it in the game.