Place · Cave · Sinnoh
Maniac Tunnel
Not on the World Atlas yet, so no map pin or screenshot.
01 //Games
Games it appears in
DiamondPearlPlatinumBrilliant DiamondShining Pearl
02 //Wild Pokémon
By game
DPDiamond / Pearl
| Pokémon | Method | Levels | Rate |
|---|---|---|---|
| Geodude | Cave | 24 | 80% |
| Hippopotas | Cave | 22–25 | 20% |
PtPlatinum
| Pokémon | Method | Levels | Rate |
|---|---|---|---|
| Geodude | Cave | 23–25 | 80% |
| Hippopotas | Cave | 24–26 | 20% |
BDSPBrilliant Diamond / Shining Pearl
| Pokémon | Method | Levels | Rate |
|---|---|---|---|
| Geodude | Grass | 24 | 80% |
| Hippopotas | Grass | 22–25 | 20% |