Rock Tunnel

Kanto

	HeartGold	SoulSilver	FireRed	LeafGreen	Crystal	Gold	Silver
Walking in tall grass or a cave
Zubat	10% L8	10% L8	30% L15–16	30% L15–16	+10% L12 +10% L12 +40% L12–15	10% L8	10% L8
Mankey			15% L16–17	15% L16–17
Machop	+20% L12	+20% L12	15% L16–17	15% L16–17	+20% L12 +20% L12	20% L12	20% L12
Machoke	5% L14	5% L14			+5% L15 +5% L15	5% L14	5% L14
Geodude	20% L10 +10% L10	20% L10 +10% L10	35% L15–17	35% L15–17	+30% L11 +30% L11 +50% L11–12	30% L10	30% L10
Haunter					+10% L17
Onix			5% L13–15	5% L13–15
Cubone	25% L10–13 +10% L10	25% L10–13 +10% L10			+30% L10 +30% L10	35% L10–13	35% L10–13
Marowak					+5% L12 +5% L12
Makuhita	+20% L12	+20% L12
Chingling	+20% L12	+20% L12
Absol	+20% L10	+20% L10
Bronzor	+20% L10	+20% L10

	HeartGold	SoulSilver	FireRed	LeafGreen	Crystal	Gold	Silver	Yellow	Red	Blue
Walking in tall grass or a cave
Zubat	10% L10	10% L10	30% L15–16	30% L15–16	+10% L12 +10% L12 +40% L12–15	10% L10	10% L10	50% L15–21	55% L15–18	55% L15–18
Golbat					+5% L15
Mankey			15% L16–17	15% L16–17
Machop			10% L17	10% L17				10% L17–21	15% L15–17	15% L15–17
Geodude	20% L12 +10% L12	20% L12 +10% L12	35% L15–17	35% L15–17	+30% L14 +30% L14 +30% L14	30% L12	30% L12	40% L16–20	25% L16–17	25% L16–17
Haunter					+5% L15
Onix	+20% L16	+20% L16	10% L13–17	10% L13–17	+20% L16 +20% L16 +20% L16	20% L16	20% L16		5% L13–15	5% L13–15
Cubone	20% L12 +10% L12	20% L12 +10% L12			+30% L12 +30% L12	30% L12	30% L12
Marowak	5% L14	5% L14			+5% L15 +5% L15	5% L14	5% L14
Kangaskhan	5% L14	5% L14			+5% L15 +5% L15	5% L14	5% L14
Makuhita	+20% L16	+20% L16
Chingling	+20% L16	+20% L16
Absol	+20% L12	+20% L12
Bronzor	+20% L12	+20% L12
	HeartGold	SoulSilver	FireRed	LeafGreen	Crystal	Gold	Silver	Yellow	Red	Blue
Smashing rocks
Geodude	100% L12–21	100% L12–21	95% L5–30	95% L5–30
Graveler			5% L25–40	5% L25–40

	Yellow	Red	Blue
Walking in tall grass or a cave
Zubat	40% L20–22	50% L16–18	50% L16–18
Machop	20% L18–20	15% L15–17	15% L15–17
Geodude	30% L17–21	26% L16–18	26% L16–18
Onix	10% L14–22	9% L13–17	9% L13–17