Pokémon Platinum Redux walkthrough
9 parts, one per checkpoint Pokémon Platinum Redux’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: Just started (no badges)
21 areas · 49 trainers · Rival — team A, Rival — team B, Rival — team C and 9 more
Part 2: 1 badge — Coal (Roark, Oreburgh City)
15 areas · 77 trainers · Byron — team A, Byron — team B, Byron — team C and 17 more
Part 3: 2 badges — Forest (Gardenia, Eterna City)
13 areas · 51 trainers · Fantina — team A, Fantina — team B, Fantina — team C and 5 more
Part 4: 3 badges — Relic (Fantina, Hearthome City)
10 areas · 81 trainers · Rival (second time) — team A, Rival (second time) — team B, Rival (second time) — team C and 21 more
Part 5: 4 badges — Cobble (Maylene, Veilstone City)
7 areas · 47 trainers · Volkner — team A, Volkner — team B, Volkner — team C and 9 more
Part 6: 5 badges — Fen (Crasher Wake, Pastoria City)
18 areas · 108 trainers · Cynthia — team A, Cynthia — team B, Cynthia — team C and 21 more
Part 7: 6 badges — Mine (Byron, Canalave City)
13 areas · 66 trainers · Saturn — team A, Saturn — team B, Saturn — team C and 13 more
Part 8: 7 badges — Icicle (Candice, Snowpoint City)
13 areas · 75 trainers · Jupiter — team A, Jupiter — team B, Mars — team A and 13 more
Part 9: 8 badges — Beacon (Volkner, Sunyshore City)
4 areas · 94 trainers · Wake (second time) — team A, Wake (second time) — team B, Wake (second time) — team C and 29 more