Kanto

HeartGold HeartGold SoulSilver SoulSilver FireRed FireRed LeafGreen LeafGreen
Walking in tall grass or a cave
Icefall Cave
1F
5%
L30
Icefall Cave
B1F
5%
L30
Route 28
At night
+10%
L42
At night
+10%
L42

Johto

HeartGold HeartGold SoulSilver SoulSilver
Walking in tall grass or a cave
Mt. Silver
1F top
20%
L48
20%
L48
Mt. Silver
4F
20%
L50
20%
L50
Mt. Silver
outside
At night
+10%
L41–43
At night
+10%
L41–43
Mt. Silver
top
20%
L45
20%
L45

Sinnoh

Platinum Platinum Diamond Diamond Pearl Pearl
Walking in tall grass or a cave
Acuity Lakefront
11%
L35
In the morning
+10%
L33
During the day
+10%
L33
No game in slot 2
+4%
L35
Ruby in slot 2
+4%
L35
Sapphire in slot 2
+4%
L35
FireRed in slot 2
+4%
L35
LeafGreen in slot 2
+4%
L35
25%
L34–35
25%
L34–35
Lake Acuity
10%
L41
Not during a swarm
+20%
L35
Not using PokéRadar
+1%
L36
No game in slot 2
+4%
L36
FireRed in slot 2
+4%
L36
LeafGreen in slot 2
+4%
L36
Not during a swarm
+20%
L35
Not using PokéRadar
+1%
L36
No game in slot 2
+4%
L36
FireRed in slot 2
+4%
L36
LeafGreen in slot 2
+4%
L36
Route 216
35%
L33–35
5%
L33
Not during a swarm
+20%
L32
5%
L33
Not during a swarm
+20%
L32
Route 217
In the morning
+10%
L33
During the day
+10%
L33
Not using PokéRadar
+11%
L34–35
No game in slot 2
+4%
L35
Ruby in slot 2
+4%
L35
Sapphire in slot 2
+4%
L35
FireRed in slot 2
+4%
L35
LeafGreen in slot 2
+4%
L35
5%
L35
Not during a swarm
+20%
L34
5%
L35
Not during a swarm
+20%
L34
Snowpoint Temple
1F
10%
L49
35%
L50–52
35%
L50–52
Snowpoint Temple
B1F
10%
L49
35%
L52–54
35%
L52–54
Snowpoint Temple
B2F
10%
L50
35%
L52–54
35%
L52–54
Snowpoint Temple
B3F
10%
L50
35%
L52–54
35%
L52–54
Snowpoint Temple
B4F
10%
L51
35%
L54–56
35%
L54–56
Snowpoint Temple
B5F
10%
L51
35%
L54–56
35%
L54–56