Rock Tunnel
Kanto region · Generation I
Walking
| Pokemon | Level | Chance |
|---|---|---|
 #041 Zubat | Lv. 16 | 20% |
 #074 Geodude | Lv. 17 | 20% |
 #066 Machop | Lv. 18 | 15% |
 #095 Onix | Lv. 14 | 5% |
Kanto region · Generation I
| Pokemon | Level | Chance |
|---|---|---|
| #041 Zubat | Lv. 16 | 20% |
| #074 Geodude | Lv. 17 | 20% |
| #066 Machop | Lv. 18 | 15% |
| #095 Onix | Lv. 14 | 5% |