Exit The Pharoah's Tomb by Purge Reviews: Is this the hardest Escape Room Game?

About EXIT: The Game – The Pharaoh's Tomb, from BoardGameGeek:

On an Egyptian holiday, players are visiting the highlight of the entire journey: the stone pyramids! But after rising through the narrow, labyrinthine corridors, they discover that they've lost the rest of the group. After wandering for hours, they end up in a mysterious grave chamber - and suddenly the stone door closes behind them. The players are caught. On the floor is a sand-covered notebook and an ancient spinning code dial. Will the players escape in time or be forever buried under stone? In Exit: The Game – The Pharaoh's Tomb, players must use their team spirit, creativity, and powers of deduction to crack codes, solve puzzles, collect objects, and earn their freedom bit by bit.