Trade Evolutions in Yellow

Trade only4

• Alakazam→Trade KadabraCatch Abra in the grass on Routes 5 to 8 and raise it to level 16, or exchange 230 Coins for one at the Celadon City Game Corner. Kadabra itself turns up on Route 8
• Machamp→Trade MachokeTrade a Cubone for a Machoke in the Underground Path entrance on Route 5. Or catch Machop on Route 10 or in Rock Tunnel and raise it to level 28, or Machoke in Victory Road

  TipThe Machoke from this trade evolves into Machamp as soon as the trade ends

• Golem→Trade GravelerCatch Geodude in Mt. Moon, Rock Tunnel or Victory Road and raise it to level 25, or catch Graveler in Victory Road or Cerulean Cave
• Gengar→Trade HaunterCatch Gastly on floors 3F to 7F of Pokémon Tower and raise it to level 25, or catch Haunter on the same floors

  When

  Carry the Silph Scope from the Rocket Hideout, or the tower's ghosts can't be identified or caught