Kanto badge phase
Pokemon Yellow Phase 4: Rainbow Badge Walkthrough
Phase 4 of the Pokemon Yellow walkthrough covering Rock Tunnel, Lavender, Celadon, Game Corner, Rocket Hideout, and Erika.
Rock Tunnel, Lavender, Celadon, Game Corner, Rocket Hideout, and Erika. Open each section page for exact encounter odds, trainer teams, visible items, hidden items, and boss branches.
Phase 4
Rock Tunnel, Lavender, Celadon, Game Corner, Rocket Hideout, and Erika.
Section Pages
Cut east from Cerulean, collect route items, and reach Rock Tunnel.
Section 2 Rock TunnelNavigate both floors and exit to Lavender Town.
Section 3 Lavender Town and Routes 8/7Reach Celadon via Route 8 and the east-west Underground Path.
Section 4 Celadon City and Game CornerCollect Celadon gifts, buy supplies, earn coins if desired, and uncover the Rocket Hideout switch.
Section 5 Rocket Hideout and Celadon GymTake the Lift Key, defeat Giovanni, get the Silph Scope, then clear Erika.
Section 6 Celadon GymEarn the Rainbow Badge if you split the gym from the Hideout route.
Phase Data Rollup
| Section | Source maps | Wild rows | Trainers | Items |
|---|---|---|---|---|
| Routes 9 and 10 | 3 | 21 | 15 | 4 |
| Rock Tunnel | 2 | 7 | 15 | 0 |
| Lavender Town and Routes 8/7 | 4 | 11 | 9 | 2 |
| Celadon City and Game Corner | 14 | 14 | 1 | 15 |
| Rocket Hideout and Celadon Gym | 6 | 0 | 18 | 16 |
| Celadon Gym | 1 | 0 | 8 | 1 |
Phase 4 Checklist
- Finish every section page in order before treating Rainbow Badge as complete.
- Check Yellow encounter rows before skipping a catch.
- Use boss rows for exact party branches and reward planning.