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Ancient secrets, sandblasted ruins, and unprecedented horrors await in Under the Pyramids! This side board expansion opens up six new locations throught Egypt, including bustling Cairo, ancient Tel El-Amarna, and the shining, snaking, Nile River.
bucklen_uk
Like both the new AO's and I prefer the Egypt sideboard to Antartica. Overall, if you like Eldritch Horror get this - it just adds more ;)
Colour wolf
The game takes long enough to set up / tear down without adding additional boards. I like to play with the extra cards of course and one of the Ancient Ones is great to play with. Occasionally worth playing with the extra board for a bit of variety.
Angelcollector
More stuff! Also Egyptian stuff! Also, a new sideboard and two new ancient ones, that feel flavorful and are fun to play against. Some people bother the impairments, but I think, they fit.