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>Game includes whole Galar dex + Sinnoh dex
>Tons of mons from Galar dex added into the regional dex and not just post-game
>All trainers based on their Platinum selves
>Wild Area incorporated into the game as multiple Wild Areas that replace some routes. Route 205 + Eterna Forest is a Wild Area, route 210 + 215 + 210 is a Wild Area, route 214 + 213 is a Wild Area, route 212 is a Wild Area. Mt. Coronet itself is an interior Wild Area that requires multiple tools to navigate fully.
>Overworld enemies are now more aggressive in attacking the player, many of them are faster than the player and cannot be avoided by walking around them.
>Underground is back and improved
>Post-game intact including Battle Frontier
>Darkrai, Shaymin and Arceus events actually released
>No new cutscenes other than tutorials that can be skipped