
Regaining your footing in Kanto? Each Gym in Pokémon Red & Blue offers a unique combination of obstacles and type matchups. Here’s a comprehensive walkthrough of every Gym, complete with battle order, puzzle elements (where applicable), and leader strategy tips to ensure a smoother run to Indigo Plateau.
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1. Pewter City — Brock (Rock-type)

Gym Type: Straightforward. Trainers are lined up in a corridor leading to Brock.
Key Opponents: Junior Trainer (Diglett, Sandshrew).
Gym Leader Team: Geodude (Lv 12) → Onix (Lv 14).
Strategy: Bulbasaur’s Vine Whip (Lv 13) or Squirtle’s Bubble (Lv 8) is 4× effective—making this your easiest first battle. Charmander can still beat Brock using Ember; Pikachu struggles due to immunity from Ground type.
Tip: Use Growl/Leech Seed to chip away at Onix, or enough health and status healing to survive Bide. Brock often uses Full Heals on status conditions.
2. Cerulean City — Misty (Water-type)

Gym Type: No puzzles. A set trainer battle precedes the fight with Misty.
Strategy: Grass- or Electric-type Pokémon like Bulbasaur, Oddish, or Pikachu make quick work of her Starmie. Repeat attempts might be needed to house-train your team and learn moves like Bubblebeam.
3. Vermilion City — Lt. Surge (Electric-type)

Gym Type: No puzzles.
Gym Leader Team: Raichu (Lv 30).
Strategy: Ground-type Pokémon like Diglett or Nidoran (Double Kick) are essential to quickly handle Raichu. Avoid Electric Pokémon who are ineffective in this fight.
4. Celadon City — Erika (Grass-type)

Gym Type: Trivia-based. Answer questions correctly at a central terminal (questions are randomly selected, so prepare in advance).
Gym Leader Team: Sack your Grass-type Pokémon and opt for Fire- or Flying-types (e.g., Charmander/Fearow). Poison-types may also be considered.
5. Fuchsia City — Koga (Poison-type)

Gym Type: Simple maze layout with minor trainer encounters.
Gym Leader Team: Koffing, Muk, Koga’s Venomoth (Yellow: includes Venomoth instead of Weezing).
Strategy: Use Psychic-type Pokémon like Abra/Kadabra or Clefairy to easily counter Poison-types. Ground-type moves also work, but Psychic is safer.
6. Saffron City — Sabrina (Psychic-type)

Gym Type: Straightforward entry, no puzzles.
Gym Leader Team: Kadabra, Alakazam (Yellow adds Mr. Mime).
Strategy: Dark-type moves aren’t available early—but Ghost (Gastly/Haunter) or high-level physical attackers can survive and counter her Psychic Pokémon.
7. Cinnabar Island — Blaine (Fire-type)

Gym Type: No puzzles.
Gym Leader Team: Growlithe, Ponyta, Rapidash (Yellow changes order).
Strategy: Any strong Water-type like Squirtle/Blastoise will steamroll through Blaine’s Pokémon. Surf or Water Gun makes this fight trivial.
8. Viridian City — Giovanni (Ground-type)

Gym Type: No puzzles—just a series of trainers on the way.
Gym Leader Team: Rhyhorn, Dugtrio, Nidoqueen/Nidoking.
Strategy: Water- and Grass-types remain top counters here. Flying Pokémon are also useful for their immunity to Ground-type moves.
Final Challenge
Once you’ve earned all eight Gym Badges, prepare for the Elite Four: Lorelei (Ice), Bruno (Fighting/Ground), Agatha (Ghost), and Lance (Dragon), followed by Champion Blue (mixed). Build a well-rounded team capable of handling multiple types.
Final Tip: Keep a diverse team of Water, Grass, Electric, Psychic, and Flying Pokémon at optimal levels (50–60) with plenty of healing items, TMs, and status cures before challenging Indigo Plateau.
- Play Pokémon Red on your Android device with a simple APK.
- Play Pokémon Blue on your Android device with a simple APK.
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