Kanto

FireRed FireRed LeafGreen LeafGreen
Walking in tall grass or a cave
Ruin Valley
10%
L18
10%
L18

Johto

HeartGold HeartGold SoulSilver SoulSilver
Walking in tall grass or a cave
Route 35
1%
L12
During a swarm
+40%
L12
1%
L12
During a swarm
+40%
L12

Sinnoh

Platinum Platinum Diamond Diamond Pearl Pearl
Walking in tall grass or a cave
Great Marsh
Area 1
1%
L31
No game in slot 2
+4%
L30
Ruby in slot 2
+4%
L30
Sapphire in slot 2
+4%
L30
Emerald in slot 2
+4%
L30
LeafGreen in slot 2
+4%
L30
Great Marsh
Area 2
1%
L31
No game in slot 2
+4%
L30
Ruby in slot 2
+4%
L30
Sapphire in slot 2
+4%
L30
Emerald in slot 2
+4%
L30
LeafGreen in slot 2
+4%
L30
Great Marsh
Area 3
1%
L30
No game in slot 2
+4%
L29
Ruby in slot 2
+4%
L29
Sapphire in slot 2
+4%
L29
Emerald in slot 2
+4%
L29
LeafGreen in slot 2
+4%
L29
Great Marsh
Area 4
1%
L30
No game in slot 2
+4%
L29
Ruby in slot 2
+4%
L29
Sapphire in slot 2
+4%
L29
Emerald in slot 2
+4%
L29
LeafGreen in slot 2
+4%
L29
Great Marsh
Area 5
11%
L27–29
In the morning
+10%
L26
During the day
+10%
L26
No game in slot 2
+4%
L28
Ruby in slot 2
+4%
L28
Sapphire in slot 2
+4%
L28
Emerald in slot 2
+4%
L28
LeafGreen in slot 2
+4%
L28
Great Marsh
Area 6
11%
L27–29
In the morning
+10%
L26
During the day
+10%
L26
No game in slot 2
+4%
L28
Ruby in slot 2
+4%
L28
Sapphire in slot 2
+4%
L28
Emerald in slot 2
+4%
L28
LeafGreen in slot 2
+4%
L28