Johto

HeartGold HeartGold SoulSilver SoulSilver
Walking in tall grass or a cave
Route 42
10%
L15–17
10%
L15–17
Route 43
20%
L15
During the day
+10%
L16–17
Radio off
+10%
L15
20%
L15
During the day
+10%
L16–17
Radio off
+10%
L15

Sinnoh

Platinum Platinum Diamond Diamond Pearl Pearl
Walking in tall grass or a cave
Route 222
Using PokéRadar
+22%
L38–41
Using PokéRadar
+22%
L41–42
Using PokéRadar
+22%
L41–42