Kanto

Yellow Yellow Red Red Blue Blue
Walking in tall grass or a cave
Cerulean Cave
B1F
5%
L50–55

Johto

HeartGold HeartGold SoulSilver SoulSilver
Walking in tall grass or a cave
Route 44
15%
L24–26
15%
L24–26

Sinnoh

Platinum Platinum Diamond Diamond Pearl Pearl
Walking in tall grass or a cave
Lake Valor
During a swarm
+40%
L34–36
During a swarm
+40%
L34–36
Route 215
10%
L20

Unova

Black 2 Black 2 White 2 White 2 Black Black White White
Walking in tall grass or a cave
Challenger's Cave
1F
20%
L49–50
20%
L49–50
Challenger's Cave
B1F
15%
L49–50
15%
L49–50
Challenger's Cave
B2F
10%
L49
10%
L49
Route 2
10%
L58
10%
L58

Kalos

X X Y Y
Walking in tall grass or a cave
Victory Road
Unknown Area 322
15%
L58–59
15%
L58–59
Victory Road
Unknown Area 324
15%
L58–59
15%
L58–59
Victory Road
Unknown Area 326
15%
L58–59
15%
L58–59
Victory Road
Unknown Area 328
15%
L58–59
15%
L58–59