Valley Windworks: 28 species in 2 games

28 species, 3 versions

Diamond and PearlPlatinum

Diamond and Pearl: 25 species
Species	Method	Levels	Chance	Game page
Tentacool	Surfing	20 to 30	60%	All places
Tentacruel	Surfing	20 to 40	5%	All places
Shellder	Fishing with a super rod	20 to 40	15%	All places
Magikarp	Fishing with a good rod	10 to 25	55%	All places
Magikarp	Fishing with an old rod	3 to 10	100%	All places
Gyarados	Fishing with a super rod	30 to 40	40%	All places
Mareep	Walking in tall grass or a cave	7 to 9	22%	All places
Aipom	Slathering a honey tree with honey and waiting for a pokémon to appear	5 to 15	up to 10%	All places
Heracross	Slathering a honey tree with honey and waiting for a pokémon to appear	5 to 15	5%	All places
Elekid	Walking in tall grass or a cave	9	8%	All places
Wurmple	Slathering a honey tree with honey and waiting for a pokémon to appear	5 to 15	up to 40%	All places
Silcoon	Slathering a honey tree with honey and waiting for a pokémon to appear	5 to 15	20%	All places
Wingull	Surfing	20 to 30	30%	All places
Pelipper	Surfing	20 to 40	5%	All places
Electrike	Walking in tall grass or a cave	7	40%	All places
Bidoof	Walking in tall grass or a cave	8	10%	All places
Burmy	Slathering a honey tree with honey and waiting for a pokémon to appear	5 to 15	up to 20%	All places
Combee	Slathering a honey tree with honey and waiting for a pokémon to appear	5 to 15	up to 40%	All places
Pachirisu	Walking in tall grass or a cave	7 to 8	up to 20%	All places
Buizel	Walking in tall grass or a cave	7 to 9	up to 20%	All places
Cherubi	Slathering a honey tree with honey and waiting for a pokémon to appear	5 to 15	up to 20%	All places
Shellos	Walking in tall grass or a cave	7 to 9	up to 15%	All places
Drifloon	Static encounter	22	100%	All places
Munchlax	Slathering a honey tree with honey and waiting for a pokémon to appear	5 to 15	100%	All places
Finneon	Fishing with a good rod	10 to 25	45%	All places
Lumineon	Fishing with a super rod	30 to 50	45%	All places

Platinum: 22 species
Species	Method	Levels	Chance	Game page
Tentacool	Surfing	20 to 30	30%	All places
Tentacruel	Surfing	20 to 40	1%	All places
Shellder	Fishing with a super rod	20 to 50	15%	All places
Magikarp	Fishing with a good rod	10 to 25	55%	All places
Magikarp	Fishing with an old rod	3 to 15	100%	All places
Gyarados	Fishing with a super rod	30 to 55	40%	All places
Mareep	Walking in tall grass or a cave	10 to 12	22%	All places
Aipom	Slathering a honey tree with honey and waiting for a pokémon to appear	5 to 15	up to 15%	All places
Heracross	Slathering a honey tree with honey and waiting for a pokémon to appear	5 to 15	5%	All places
Wurmple	Slathering a honey tree with honey and waiting for a pokémon to appear	5 to 15	20%	All places
Electrike	Walking in tall grass or a cave	9 to 10	40%	All places
Shinx	Walking in tall grass or a cave	10	20%	All places
Burmy	Slathering a honey tree with honey and waiting for a pokémon to appear	5 to 15	up to 40%	All places
Combee	Slathering a honey tree with honey and waiting for a pokémon to appear	5 to 15	up to 40%	All places
Pachirisu	Walking in tall grass or a cave	9 to 11	10%	All places
Buizel	Walking in tall grass or a cave	9 to 11	up to 14%	All places
Cherubi	Slathering a honey tree with honey and waiting for a pokémon to appear	5 to 15	up to 20%	All places
Shellos	Surfing	20 to 30	60%	All places
Shellos	Walking in tall grass or a cave	9 to 12	up to 20%	All places
Gastrodon	Surfing	20 to 40	9%	All places
Drifloon	Static encounter	15	100%	All places
Munchlax	Slathering a honey tree with honey and waiting for a pokémon to appear	5 to 15	100%	All places
Finneon	Fishing with a good rod	10 to 25	45%	All places
Lumineon	Fishing with a super rod	30 to 55	45%	All places