Kanto badge phase

Pokemon Red and Blue Phase 10: Post-Game + Completion Walkthrough
Phase 10 of the Pokemon Red and Blue walkthrough covering Cerulean Cave, Mewtwo, version exclusives, trades, fossils, Game Corner prizes, and completion cleanup.
Cerulean Cave, Mewtwo, version exclusives, trades, fossils, Game Corner prizes, and completion cleanup. Open each section page for exact encounter odds, trainer teams, visible items, hidden items, and boss branches.
Phase 10
Cerulean Cave, Mewtwo, version exclusives, trades, fossils, Game Corner prizes, and 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 Version, Trade, Fossil, and Prize CleanupUse trades, fossils, prize Pokemon, and version-exclusive planning to close Pokedex gaps.
Phase Data Rollup
| Section | Source maps | Wild rows | Trainers | Items |
|---|---|---|---|---|
| Cerulean Cave Completion | 3 | 52 | 0 | 10 |
| Version, Trade, Fossil, and Prize Cleanup | 8 | 0 | 1 | 12 |
Phase 10 Checklist
- Finish every section page in order before treating Post-Game + Completion as complete.
- Check Red and Blue version rows before skipping an encounter.
- Use boss rows for exact party branches and reward planning.