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Ubisoft had a very on-brand problem with Assassin's Creed Odyssey: there weren't many tall buildings in Ancient Greece even though it's a "climbing-frame game"

Assassin's Creed Ubisoft foresaw the grindy fate of Assassin's Creed Valhalla back in the Odyssey days, wanting a literal "odyssey" but not "a world that was just fatiguing to travel through" Assassin ...
PC Gamer

One problem with making an Assassin's Creed game in Ancient Greece, says Ubisoft, is that there just weren't enough tall buildings for a 'climbing frame game'

Assassin's Creed Assassin's Creed devs say they'll be getting around to the whole Assassins vs Templars and modern setting stuff 'at some point, in some fashion' Assassin's Creed Assassin's Creed ...