Route 228: 16 species in 2 games

Road 228: 16 species across 3 versions

Diamond and PearlPlatinum

Diamond and Pearl: 16 species
Species	Method	Levels	Chance	Game page
Sandslash	Walking in tall grass or a cave	23	8%	All places
Diglett	Walking in tall grass or a cave	23 to 25	up to 4%	All places
Dugtrio	Walking in tall grass or a cave	52 to 54	up to 20%	All places
Poliwag	Surfing	20 to 30	30%	All places
Poliwhirl	Surfing	40 to 55	70%	All places
Rhydon	Walking in tall grass or a cave	52 to 53	up to 10%	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 55	55%	All places
Trapinch	Walking in tall grass or a cave	25	2%	All places
Vibrava	Walking in tall grass or a cave	53 to 54	20%	All places
Cacnea	Walking in tall grass or a cave	23 to 25	up to 4%	All places
Cacturne	Walking in tall grass or a cave	52 to 53	up to 20%	All places
Barboach	Fishing with a good rod	10 to 25	45%	All places
Whiscash	Fishing with a super rod	20 to 50	45%	All places
Beldum	Walking in tall grass or a cave	53	40%	All places
Hippowdon	Walking in tall grass or a cave	52 to 54	up to 10%	All places

Platinum: 14 species
Species	Method	Levels	Chance	Game page
Sandslash	Walking in tall grass or a cave	49 to 50	8%	All places
Diglett	Walking in tall grass or a cave	49	up to 4%	All places
Dugtrio	Walking in tall grass or a cave	50 to 52	up to 20%	All places
Poliwag	Surfing	35 to 45	30%	All places
Poliwhirl	Surfing	35 to 55	70%	All places
Rhydon	Walking in tall grass or a cave	50 to 52	up to 10%	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	55%	All places
Cacnea	Walking in tall grass or a cave	50	up to 4%	All places
Cacturne	Walking in tall grass or a cave	50 to 52	up to 20%	All places
Barboach	Fishing with a good rod	15 to 20	40%	All places
Whiscash	Fishing with a good rod	25 to 35	5%	All places
Whiscash	Fishing with a super rod	30 to 55	45%	All places
Beldum	Walking in tall grass or a cave	51 to 52	40%	All places
Hippowdon	Walking in tall grass or a cave	50 to 51	up to 10%	All places