Kanto

HeartGold HeartGold SoulSilver SoulSilver FireRed FireRed LeafGreen LeafGreen Yellow Yellow Red Red Blue Blue
Walking in tall grass or a cave
Berry Forest
10%
L34
10%
L34
Bond Bridge
5%
L34
5%
L34
Route 12
30%
L24–26
30%
L24–26
Route 12
20%
L24–26
20%
L24–26
Route 13
20%
L24–26
20%
L24–26
Route 13
30%
L24–26
30%
L24–26
Route 14
30%
L24–26
30%
L24–26
Route 14
19%
L24–27
20%
L24–26
20%
L24–26
Route 15
30%
L24–26
30%
L24–26
Route 15
19%
L24–27
20%
L26–28
20%
L26–28
Route 24
In the morning
+5%
L8
At night
+20%
L8
At night
Radio off
+10%
L8
In the morning
+5%
L8
At night
+20%
L8
At night
Radio off
+10%
L8
10%
L13–16
Route 25
Not during a swarm
At night
+20%
L8
In the morning
Radio off
+20%
L8
At night
Radio off
+10%
L8
Not during a swarm
At night
+20%
L8
In the morning
Radio off
+20%
L8
At night
Radio off
+10%
L8
10%
L13–16
Safari Zone
Area 3, west
15%
L23
15%
L23
Safari Zone
Area 3, west
15%
L23
15%
L23
Safari Zone
center
15%
L22
15%
L22
Safari Zone
middle
15%
L22
15%
L22

Johto

HeartGold HeartGold SoulSilver SoulSilver
Walking in tall grass or a cave
Route 43
In the morning
+5%
L16
At night
+15%
L15–17
In the morning
+5%
L16
At night
+15%
L15–17

Sinnoh

Platinum Platinum Diamond Diamond Pearl Pearl
Walking in tall grass or a cave
Route 229
Using PokéRadar
+2%
L48
Using PokéRadar
+2%
L22
Using PokéRadar
+2%
L22