Kanto

HeartGold HeartGold SoulSilver SoulSilver
Walking in tall grass or a cave
Sea Route 21
5%
L28
During the day
+5%
L30
5%
L28
During the day
+5%
L30

Sinnoh

Platinum Platinum Diamond Diamond Pearl Pearl
Walking in tall grass or a cave
Route 218
25%
L29–31
4%
L30
Not using PokéRadar
+11%
L29–30
Route 222
4%
L42
Not using PokéRadar
+11%
L41–42

Kalos

X X Y Y
Walking in tall grass or a cave
Reflection Cave
Unknown Area 305
20%
L22–23
20%
L22–23
Reflection Cave
Unknown Area 306
20%
L22–23
20%
L22–23
Reflection Cave
Unknown Area 307
20%
L22–23
20%
L22–23
Reflection Cave
Unknown Area 308
20%
L22–23
20%
L22–23