Kanto

HeartGold HeartGold SoulSilver SoulSilver
Walking in tall grass or a cave
Viridian Forest
Hoenn radio
+20%
L3
Hoenn radio
+20%
L3

Johto

HeartGold HeartGold SoulSilver SoulSilver
Walking in tall grass or a cave
Ilex Forest
Hoenn radio
+20%
L5–6
Hoenn radio
+20%
L5–6

Hoenn

Emerald Emerald Ruby Ruby Sapphire Sapphire
Walking in tall grass or a cave
Jagged Pass
20%
L20–22
20%
L18–20
20%
L20–22

Sinnoh

Platinum Platinum Diamond Diamond Pearl Pearl
Walking in tall grass or a cave
Route 214
During a swarm
+40%
L21–23
During a swarm
+40%
L22–23
During a swarm
+40%
L22–23

Unova

Black 2 Black 2 White 2 White 2 Black Black White White
Walking in tall grass or a cave
Reversal Mountain
unknown area 48
20%
L31
Reversal Mountain
unknown area 49
20%
L31
Reversal Mountain
unknown area 50
5%
L31
Reversal Mountain
unknown area 51
20%
L31
Reversal Mountain
unknown area 52
20%
L31
Reversal Mountain
unknown area 53
20%
L31
Reversal Mountain
unknown area 54
20%
L31
Reversal Mountain
unknown area 55
20%
L31
Reversal Mountain
unknown area 56
5%
L31
Reversal Mountain
unknown area 57
20%
L31
Reversal Mountain
unknown area 58
20%
L31
Reversal Mountain
unknown area 59
20%
L31
Reversal Mountain
unknown area 60
20%
L31

Kalos

X X Y Y
Walking in tall grass or a cave
Route 8
20%
L13–14
20%
L13–14
X X Y Y
Walking in yellow flowers
Route 8
10%
L15
10%
L15