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>routes are as wide and open as the wild area but retain the great level design of gen 1-5
>overworld encounters remain a thing, but Pokémon also interact with the environment and with each other. Certain Pokémon may hunt, others may climb trees, others may crush rocks, etc etc
>Rideable Pokemon becomes a staple and is integrated into the level design
There, that's the bare minimum because DQM Joker 3 did all this on the 3ds
