Phase 1 section

Pokemon Platinum logo

Pokémon Platinum Route 203 and Barry Walkthrough

Coal Badge

Defeat the first starter-dependent rival team and push east. Exact Platinum encounters, every sourced trainer, items, hidden-item directions, puzzle notes, boss data, and completion checks.

Nintendo DS Pokemon Platinum Phase 1Coal Badge Twinleaf, Sandgem, Jubilife, Oreburgh, and Roark. 01 / 12 Giratina artwork Rotom artwork
By Damodar Sharma Updated July 10, 2026 Walkthrough

Defeat the first starter-dependent rival team and push east. Every table on this page is joined to the named Platinum map, encounter, trainer, item, and script data; Diamond/Pearl rows are not substituted.

Source maps

Route 203.

Encounter rows24Trainer rows8Visible / hidden3 / 0

Platinum discipline

Morning, day, night, daily, Radar, swarm, dual-slot, static, gift, and event rows remain distinct when their requirements differ.

Route Plan

Heal before crossing the east gate, defeat Barry, clear every ledge branch and trainer, then enter Oreburgh Gate.

Exact pret map constants (1)

MAP_HEADER_ROUTE_203

Wild Pokémon

Each area below has its own table, split by encounter method. Standard grass and cave rates merge every base slot for a species and are shown per time window: morning 04:00-09:59, day 10:00-19:59, night 20:00-03:59. Swarm, Poké Radar, GBA dual-slot, and Trophy Garden replacements keep their own labeled rows. Underlying slot odds: grass 20/20/10/10/10/10/5/5/4/4/1/1; Surf and Old Rod 60/30/5/4/1; Good and Super Rod 40/40/15/4/1.

Route 203 wild Pokémon by method, levels, time-of-day rates, and requirements
PokémonLevelsRateRequirement / notes
MorningDayNight
Grass / cave floor
Starly artworkStarly4-735%35%25%Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Bidoof artworkBidoof4-715%25%15%Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Shinx artworkShinx4-525%Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Abra artworkAbra4-515%Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Kricketot artworkKricketot4-510%10%Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Zubat artworkZubat410%Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Swarm (post-National Dex daily announcement)
Cubone artworkCubone440%Post-National Dex daily swarm; replaces grass slots 0-1 (40% total).
Poké Radar (post-National Dex)
Bidoof artworkBidoof5 or 711%National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Abra artworkAbra410%National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Starly artworkStarly71%National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total).
Dual-slot GBA insertion (post-National Dex)
Lotad artworkLotad68%National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Pineco artworkPineco68%National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Seedot artworkSeedot68%National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Bidoof artworkBidoof64%National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Bidoof artworkBidoof64%National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Starly artworkStarly64%National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Starly artworkStarly64%National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total).
Surfing
Psyduck artworkPsyduck20-3090%Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Golduck artworkGolduck20-4010%Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Fishing — Old Rod
Magikarp artworkMagikarp3-15100%Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Fishing — Good Rod
Magikarp artworkMagikarp10-2555%Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Goldeen artworkGoldeen10-2545%Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Fishing — Super Rod
Gyarados artworkGyarados30-5555%Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.
Seaking artworkSeaking30-5545%Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions.

Wild held items

CompoundEyes affects the held-item check when its user leads. Great Marsh catches cannot use Thief or Covet during the Safari Game; catch and inspect instead.

Wild PokémonHeld itemChance
Abra artworkAbraTwistedspoon5%
Cubone artworkCuboneThick Club5%
Kricketot artworkKricketotMetronome5%
Starly artworkStarlyYache Berry5%

Trainers

Route order follows event-object order, then source-script order. Teams show held items and moves only where Platinum explicitly defines them. Rewards use the engine formula: highest party level × 4 × trainer-class multiplier.

TrainerRoute order / placementFull teamRewardOptional / rematch note
Youngster battle sprite from Pokémon PlatinumYoungster SebastianSource trainer ID 356Route 203 • order 1 at source tile (234, 757)
  • Machop artworkMachop Lv. 8Moves: Low Kick / Leer
₽128One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Youngster battle sprite from Pokémon PlatinumYoungster MichaelSource trainer ID 4Route 203 • order 2 at source tile (204, 750)₽112One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Lass battle sprite from Pokémon PlatinumLass KaitlinSource trainer ID 323Route 203 • order 3 at source tile (243, 757)₽64One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Youngster battle sprite from Pokémon PlatinumYoungster DallasSource trainer ID 355Route 203 • order 4 at source tile (222, 756)₽128One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Lass battle sprite from Pokémon PlatinumLass MadelineSource trainer ID 322Route 203 • order 5 at source tile (240, 748)₽128One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Rival battle sprite from Pokémon PlatinumRival CedricSource trainer ID 247Route 203 • scripted battle
  • Starly artworkStarly Lv. 7Moves: Quick Attack / Growl
  • Turtwig artworkTurtwig Lv. 9Moves: Tackle / Withdraw
₽900One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Rival battle sprite from Pokémon PlatinumRival CedricSource trainer ID 248Route 203 • scripted battle
  • Starly artworkStarly Lv. 7Moves: Quick Attack / Growl
  • Chimchar artworkChimchar Lv. 9Moves: Scratch / Leer
₽900One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.
Rival battle sprite from Pokémon PlatinumRival CedricSource trainer ID 249Route 203 • scripted battle
  • Starly artworkStarly Lv. 7Moves: Quick Attack / Growl
  • Piplup artworkPiplup Lv. 9Moves: Pound / Growl
₽900One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant.

Items And Services

Item / serviceMethodPlain-English placementRequirement
RepelVisible field itemPick up the item ball in the northern part of Route 203, 11 tiles north of the Youngster Dallas. Source QA tile: 222, 745.Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
Poké BallVisible field itemPick up the item ball in the central part of Route 203, 7 tiles east of the Youngster Michael. Source QA tile: 211, 750.Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.
X DefenseVisible field itemPick up the item ball in the southeastern part of Route 203, 3 tiles west and 3 tiles north of the Youngster Sebastian. Source QA tile: 231, 754.Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes.

Hidden Items

No type-2 hidden-item event is placed on these exact Platinum source maps.

Puzzles, Warps, And Switches

This section has no source-significant switch or warp maze. Follow the route plan and collect each table row before leaving.

Boss Strategy And Partners

Rival battle sprite from Pokémon PlatinumRival CedricSource trainer ID 247
Single battle₽900

Exact Platinum team

  • Starly artworkStarly Lv. 7Moves: Quick Attack / Growl
  • Turtwig artworkTurtwig Lv. 9Moves: Tackle / Withdraw

Strategy: The exact branch depends on the player's starter. Read the full source team below and lead against the branch's opening member.

Rival battle sprite from Pokémon PlatinumRival CedricSource trainer ID 248
Single battle₽900

Exact Platinum team

  • Starly artworkStarly Lv. 7Moves: Quick Attack / Growl
  • Chimchar artworkChimchar Lv. 9Moves: Scratch / Leer

Strategy: The exact branch depends on the player's starter. Read the full source team below and lead against the branch's opening member.

Rival battle sprite from Pokémon PlatinumRival CedricSource trainer ID 249
Single battle₽900

Exact Platinum team

  • Starly artworkStarly Lv. 7Moves: Quick Attack / Growl
  • Piplup artworkPiplup Lv. 9Moves: Pound / Growl

Strategy: The exact branch depends on the player's starter. Read the full source team below and lead against the branch's opening member.

Completion Checklist

  • Visit all 1 mapped subarea listed in the source constants.
  • Record the 24 applicable wild, static, gift, trade, or event encounter rows across the per-area tables.
  • Defeat or intentionally defer all 8 source-placed trainer battles.
  • Collect or account for 3 visible items, berry patches, gifts, and services plus 0 Dowsing Machine items.
  • Complete the route, story, puzzle, boss, partner, and event conditions above before following the next-section link.

Sources And Validation

  • Primary source: pret/pokeplatinum commit 7c0aa10b6a6aa09d8824e08bd8a36f6fc8b7ad8d.
  • Source layers: res/field/encounters, res/field/events, res/field/scripts, res/trainers, personal held-item data, map headers, hidden-item table, berry initializer, trades, tutors, and Frontier sets.
  • Machine-readable validation report records page, map, trainer, item, encounter, asset, and source invariants.

Dex quick links

Pokemon in this phase