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About
Journey to rivers, swamps, ponds and hidden fishing spots as you look for the mysterious River King to help your younger sister wake from her unexplained slumber. But you are not alone on this adventure, make friends with the magical creatures of Mystic Valley and unlock their special abilities to help you. You are your sister's last hope and it will take all of your fishing skill to catch the elusive River King!
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News
Poll: Box Art Brawl - River King: Mystic Valley (DS) - Nintendo Life
Nintendo Life · 2/23/2025
River King: Mystic Valley - Gamereactor UK
Gamereactor UK · 5/26/2019
River King: Mystic Valley Screenshots - Neoseeker
Neoseeker · 3/6/2016
River King: Mystic Valley Review - IGN
IGN · 5/13/2012
River King: Mystic Valley Review - ign.com
ign.com · 5/13/2012
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