Kanto

HeartGold HeartGold SoulSilver SoulSilver FireRed FireRed LeafGreen LeafGreen
Walking in tall grass or a cave
Kindle Road
5%
L37–40
5%
L37–40
Mt. Ember
5%
L39–42
5%
L39–42
Route 28
In the morning
+10%
L42
During the day
+10%
L42
At night
+10%
L41–43
In the morning
+10%
L42
During the day
+10%
L42
At night
+10%
L41–43

Johto

HeartGold HeartGold SoulSilver SoulSilver
Walking in tall grass or a cave
Mt. Silver
outside
10%
L44
10%
L44

Unova

Black 2 Black 2 White 2 White 2 Black Black White White
Walking in tall grass or a cave
Route 12
10%
L49
10%
L49
Black 2 Black 2 White 2 White 2 Black Black White White
Walking in dark grass
Route 12
10%
L59
10%
L59