Below are various links to all the walkthroughs of the missions/cities in the Red and Blue version of Pokemon.
PALLET TOWN
VIRIDIAN CITY
VIRIDIAN FOREST
PEWTER CITY
MT. MOON
CERULEAN CITY
SEA COTTAGE AND BILL
VERMILLION CITY
S.S. ANNE
ROCK TUNNEL
LAVENDER TOWN
CELADON CITY
GAME CORNER
SAFFRON CITY
CYCLING ROAD
FUCHSIA CITY
SAFARI ZONE
POWER PLANT
SEAFOAM ISLAND
CINNABAR ISLAND
VIRIDIAN GYM
VICTORY ROAD
ELITE FOUR
UNKNOWN DUNGEON
