PLATINUM EMERALD

Maniac Tunnel

Maniac Tunnel, Sinnoh (from Pokemon Platinum).

Levels are this area's own. In your first region they stay as shown; in a region you open later they are raised to match your progress, unless you started that region fresh. See levels.

Wild Pokemon

Grass and caves
PokemonLevelsChance
Geodude23 to 2580%
Hippopotas24 to 2620%

Items

On the ground (item balls)