Pokémon Pinball: Ruby & Sapphire features two fields, each with seven areas. The Pokémon in Catch ‘Em Mode depend on the area and the field. Here is how to change areas and which Pokémon appear in each one, according to Poképédia.

Choosing the field.

The two fields

Ruby FieldSapphire Field
AreasForest, Volcano, Plains, Oceans, Safari Zone, Cavern, RuinsForest, Lake, Plains, Desert, Oceans, Cavern, Ruins
Catch ‘Em ModeEnter SharpedoEnter Wailmer
Hatch ModeHit Cyndaquil four timesGo through the lane near Wailmer four times
Changing areaChikorita switch, then knock down three GulpinHit the Seedot switch three times
ShopBump the door in the lane to the right of the bumpersUnlock the lightning bolts of Plusle and Minun
Bonus stagesKecleon, GroudonDusclops, Kyogre

Changing area

  • On Ruby: hit the Chikorita switch so that it uses Razor Leaf. A Linoone appears on each side; hit the one on the left to make a Gulpin fall. Do this three times, and Travel Mode begins.
  • On Sapphire: hit the Seedot switch three times to start Travel Mode.
  • Then send the ball through the left or right loop, then into the central hole that opens.
Linoone.

The Pokémon in each area

Catch ‘Em Mode offers a longer list with three arrows lit than with two. Latios (Ruby) and Latias (Sapphire) can appear in any area, with a 1% chance.

AreaTwo arrowsThree arrows (additional)
ForestDuskull, Silcoon, CascoonTreecko and Zigzagoon (Ruby), Tropius (Sapphire)
Volcano (Ruby)Koffing, Numel, Torkoal, SlugmaTorchic (replaces Slugma)
Lake (Sapphire)Marill, Goldeen, CorphishMudkip, Barboach, Feebas
PlainsVoltorb, Magnemite, Electrike, Poochyena, JigglypuffZangoose (Ruby), Seviper (Sapphire)
OceansWingull, Carvanha, Magikarp, TentacoolLuvdisc, Relicanth, Lileep and Staryu (Ruby), Anorith and Clamperl (Sapphire)
Safari Zone (Ruby)Doduo, GirafarigPinsir, Rhyhorn, Pikachu
Desert (Sapphire)Cacnea, Geodude, Meditite, SwabluVibrava, Baltoy, Absol
CavernNosepass, Loudred, Abra, Grimer, Shelgon, Solrock (Ruby), Lunatone (Sapphire)Mawile (Ruby), Sableye and Makuhita (Sapphire)
RuinsBeldum, Regirock, Regice, Registeel—

The complete list, with Egg and evolution Pokémon, is on our Pokédex page.