Pokémon FireRed: Rocket Edition walkthrough
15 parts, one per checkpoint Pokémon FireRed: Rocket Edition’s own documentation defines: the areas each one opens, the wild Pokémon and trainers in them, and the fight at the end of it. Everything here is read off the game’s own files, so anything it doesn’t state isn’t claimed.
Part 1: Starting out — Celadon City HQ (and everything no mission gates)
22 areas · 90 trainers · Erika, Koga
Part 2: Mission 1 — Mt. Moon
7 areas · 18 trainers · Pokémon Trainer Red
Part 3: Mission 2 — Cerulean City and Nugget Bridge
3 areas · 20 trainers · Pokémon Trainer Blue
Part 4: Mission 3 — Vermilion City and the S.S. Anne
9 areas · 31 trainers · Captain Arab
Part 5: Mission 4 — Lavender Town and Pokémon Tower
12 areas · 49 trainers · Mr. Fuji
Part 6: Mission 5 — Viridian City
2 areas · 2 trainers
Part 7: Pallet Town — Oak's lab and Daisy
6 areas · 13 trainers · Pokémon Trainer Daisy
Part 8: Cinnabar Island — the Pokémon Mansion
15 areas · 28 trainers · Blaine
Part 9: Saffron City — the Silph Co. takeover
13 areas · 33 trainers · Pokémaniac Bill
Part 10: The eight Kanto gyms
6 areas · 20 trainers · Brock, Misty, Lt. Surge and 3 more
Part 11: Viridian Forest
2 areas · 5 trainers
Part 12: Cerulean Cave — Mewtwo
5 areas
Part 13: Pallet Town again — Oak's secret lab
1 area · 2 trainers
Part 14: Route 22 and Route 23 — Lance and the League guards
6 areas · 21 trainers · Elite Four Lance
Part 15: Indigo Plateau — Agatha, Red and Oak
4 areas · 3 trainers · Elite Four Agatha, Champion Red, Professor Oak
This game's documentation doesn't say where 4 of its 339 fights happen, so those trainers are on no part of this walkthrough; they are all on the Trainers page.