Route 6: 21 species in 1 game

21 species, 2 versions

SwordShield

Sword: 21 species
Species	Method	Levels	Chance	Game page
Dugtrio	Walking in the overworld	29 to 33	20%	All places
Goldeen	Fishing at bubbling spots in the water	28 to 30	10%	All places
Magikarp	Fishing at bubbling spots in the water	28 to 30	70%	All places
Torkoal	Walking in tall grass or a cave	28 to 30	5%	All places
Trapinch	Walking in the overworld	29 to 33	1%	All places
Duskull	Walking in tall grass or a cave	28 to 30	18%	All places
Hippopotas	Walking in tall grass or a cave	28 to 30	10%	All places
Skorupi	Walking in tall grass or a cave	28 to 30	10%	All places
Maractus	Walking in the overworld	29 to 33	10%	All places
Axew	Walking in the overworld	29 to 33	5%	All places
Heatmor	Walking in tall grass or a cave	28 to 30	5%	All places
Durant	Walking in tall grass or a cave	28 to 30	20%	All places
Helioptile	Walking in the overworld	29 to 33	29%	All places
Hawlucha	Walking in tall grass or a cave	28 to 30	2%	All places
Greedent	Interacting with a berry tree	28 to 30	100%	All places
Drednaw	Fishing at bubbling spots in the water	28 to 30	20%	All places
Silicobra	Walking in tall grass or a cave	28 to 30	30%	All places
Dracozolt	Receive as a gift	10	100%	All places
Arctozolt	Receive as a gift	10	100%	All places
Dracovish	Receive as a gift	10	100%	All places
Arctovish	Receive as a gift	10	100%	All places

Shield: 21 species
Species	Method	Levels	Chance	Game page
Dugtrio	Walking in the overworld	29 to 33	20%	All places
Goldeen	Fishing at bubbling spots in the water	28 to 30	10%	All places
Magikarp	Fishing at bubbling spots in the water	28 to 30	70%	All places
Torkoal	Walking in tall grass or a cave	28 to 30	5%	All places
Trapinch	Walking in the overworld	29 to 33	5%	All places
Duskull	Walking in tall grass or a cave	28 to 30	18%	All places
Hippopotas	Walking in tall grass or a cave	28 to 30	10%	All places
Skorupi	Walking in tall grass or a cave	28 to 30	10%	All places
Maractus	Walking in the overworld	29 to 33	10%	All places
Axew	Walking in the overworld	29 to 33	1%	All places
Heatmor	Walking in tall grass or a cave	28 to 30	20%	All places
Durant	Walking in tall grass or a cave	28 to 30	5%	All places
Helioptile	Walking in the overworld	29 to 33	29%	All places
Hawlucha	Walking in tall grass or a cave	28 to 30	2%	All places
Greedent	Interacting with a berry tree	28 to 30	100%	All places
Drednaw	Fishing at bubbling spots in the water	28 to 30	20%	All places
Silicobra	Walking in tall grass or a cave	28 to 30	30%	All places
Dracozolt	Receive as a gift	10	100%	All places
Arctozolt	Receive as a gift	10	100%	All places
Dracovish	Receive as a gift	10	100%	All places
Arctovish	Receive as a gift	10	100%	All places