Kanto badge phase
Pokemon Yellow Phase 10: Post-Game + Completion Walkthrough
Phase 10 of the Pokemon Yellow walkthrough covering Cerulean Cave, Mewtwo, Yellow trades, fossils, Game Corner prizes, and external completion cleanup.
Cerulean Cave, Mewtwo, Yellow trades, fossils, Game Corner prizes, and external completion cleanup. Open each section page for exact encounter odds, trainer teams, visible items, hidden items, and boss branches.
Phase 10
Cerulean Cave, Mewtwo, Yellow trades, fossils, Game Corner prizes, and external completion cleanup.
Target60-70+ RewardMewtwo, Cerulean Cave, Pokedex cleanup Sections2
Section Pages
Section 1 Cerulean Cave Completion
Enter Cerulean Cave after becoming Champion, collect its rare encounters and items, and catch Mewtwo.
Section 2 Trade, Fossil, Prize, and External CleanupUse trades, fossils, prize Pokemon, Yellow-only gifts, and external trade planning to close Pokedex gaps.
Phase Data Rollup
| Section | Source maps | Wild rows | Trainers | Items |
|---|---|---|---|---|
| Cerulean Cave Completion | 3 | 38 | 0 | 15 |
| Trade, Fossil, Prize, and External Cleanup | 8 | 1 | 1 | 12 |
Phase 10 Checklist
- Finish every section page in order before treating Post-Game + Completion as complete.
- Check Yellow encounter rows before skipping a catch.
- Use boss rows for exact party branches and reward planning.