NTSC
- Pick the higher player port (P1 < P2 < P3 < P4)
- Use the correct character and stage combinations. A table with the combinations for all stages can be found here.
PAL
- Pick the lower player port (P1 > P2 > P3 > P4)
- Go to Fountain of Dreams, Pokémon Stadium, Icicle Mountain, Onett, Big Blue or Poké Floats. It will work on any character.