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RSE
Game
Hoenn region
Generation III
Hoenn & Kanto
·
Game Boy Advance
·
2002-2005
A clean hardware reset - the start of the modern, connectable lineage.
Games
Ruby
Sapphire
Emerald
FireRed
LeafGreen
All generations →
Ruby, Sapphire & Emerald
Game Boy Advance · Released 2002
Generation III reinvented how Pokemon data is stored and severed all connection to Gen I and II. Within Gen III it trades freely (including with FireRed/LeafGreen), and it is the oldest point from which a Pokemon can begin the long climb to the modern games via Pal Park.
Did you know?
Generation III stored Pokemon in encrypted data blocks, a security change that is a big reason it could not talk to the older Game Boy games.
Sends to
FRLG
Two-way
via Link Trade
DPPt
One-way
via Pal Park
Held items are removed
Migration is permanent - no return to the GBA game
HGSS
One-way
via Pal Park
Held items are removed
Permanent one-way migration
Receives from
GSC
Impossible
via The Great Divide
The Game Boy Advance changed the save hardware and data format. No transfer of any kind exists from Gen I or II into Gen III.