Phase 1 section
Pokémon Platinum Twinleaf Town and Lake Verity Walkthrough
Coal Badge Begin Barry's lake expedition and make the permanent starter choice. Exact Platinum encounters, every sourced trainer, items, hidden-item directions, puzzle notes, boss data, and completion checks.
Phase 1Coal Badge Twinleaf, Sandgem, Jubilife, Oreburgh, and Roark. 01 / 12 
Begin Barry's lake expedition and make the permanent starter choice. 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
Lake Verity Low Water, Lake Verity, Verity Lakefront, Twinleaf Town, Twinleaf Town Rival House 1 Female, Twinleaf Town Rival House 2 Female, Twinleaf Town Player House 1 Female, Twinleaf Town Player House 2 Female, Twinleaf Town Northeast House, Twinleaf Town Southwest House.
Encounter rows52Trainer rows5Visible / hidden2 / 2
Platinum discipline
Morning, day, night, daily, Radar, swarm, dual-slot, static, gift, and event rows remain distinct when their requirements differ.
Route Plan
Visit Barry's house, follow him through Route 201 to Lake Verity, choose a starter from Rowan's briefcase, then return home for the Running Shoes.
- Save before opening the briefcase if nature or gender matters. Barry permanently chooses the starter with the type advantage over yours.
Exact pret map constants (10)
MAP_HEADER_LAKE_VERITY_LOW_WATER · MAP_HEADER_LAKE_VERITY · MAP_HEADER_VERITY_LAKEFRONT · MAP_HEADER_TWINLEAF_TOWN · MAP_HEADER_TWINLEAF_TOWN_RIVAL_HOUSE_1F · MAP_HEADER_TWINLEAF_TOWN_RIVAL_HOUSE_2F · MAP_HEADER_TWINLEAF_TOWN_PLAYER_HOUSE_1F · MAP_HEADER_TWINLEAF_TOWN_PLAYER_HOUSE_2F · MAP_HEADER_TWINLEAF_TOWN_NORTHEAST_HOUSE · MAP_HEADER_TWINLEAF_TOWN_SOUTHWEST_HOUSE
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.
Lake Verity
| Pokémon | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|
| Morning | Day | Night | |||
| Grass / cave floor | |||||
 Bidoof | 2-4 | 50% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. | ||
 Starly | 2-4 | 50% | 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) | |||||
| Bidoof | 2 | 20% | Post-National Dex daily swarm; replaces grass slots 0-1 (40% total). | ||
| Starly | 2 | 20% | Post-National Dex daily swarm; replaces grass slots 0-1 (40% total). | ||
| Poké Radar (post-National Dex) | |||||
 Wobbuffet | 3-4 | 22% | National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total). | ||
| Dual-slot GBA insertion (post-National Dex) | |||||
 Lunatone | 4 | 8% | National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
 Solrock | 4 | 8% | National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
| Bidoof | 4 | 4% | National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
| Bidoof | 4 | 4% | National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
| Bidoof | 4 | 4% | National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
| Starly | 4 | 4% | National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
| Starly | 4 | 4% | National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
| Starly | 4 | 4% | National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
| Surfing | |||||
 Psyduck | 20-30 | 90% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. | ||
 Golduck | 20-40 | 10% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. | ||
| Fishing — Old Rod | |||||
 Magikarp | 3-15 | 100% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. | ||
| Fishing — Good Rod | |||||
| Magikarp | 10-25 | 55% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. | ||
 Goldeen | 15-20 | 40% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. | ||
 Seaking | 25-35 | 5% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. | ||
| Fishing — Super Rod | |||||
 Gyarados | 30-55 | 55% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. | ||
| Seaking | 30-55 | 45% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. | ||
Lake Verity Low Water
| Pokémon | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|
| Morning | Day | Night | |||
| Grass / cave floor | |||||
| Bidoof | 2-4 | 50% | 50% | 60% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. |
| Starly | 2-4 | 50% | 50% | 40% | 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) | |||||
| Bidoof | 2 | 20% | Post-National Dex daily swarm; replaces grass slots 0-1 (40% total). | ||
| Starly | 2 | 20% | Post-National Dex daily swarm; replaces grass slots 0-1 (40% total). | ||
| Poké Radar (post-National Dex) | |||||
| Wobbuffet | 3-4 | 22% | National Dex and Poké Radar; replaces slots 4, 5, 10, and 11 in Radar patches (22% total). | ||
| Dual-slot GBA insertion (post-National Dex) | |||||
| Lunatone | 4 | 8% | National Dex plus Pokémon Sapphire in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
| Solrock | 4 | 8% | National Dex plus Pokémon Ruby in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
| Bidoof | 4 | 4% | National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
| Bidoof | 4 | 4% | National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
| Bidoof | 4 | 4% | National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
| Starly | 4 | 4% | National Dex plus Pokémon Emerald in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
| Starly | 4 | 4% | National Dex plus Pokémon FireRed in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
| Starly | 4 | 4% | National Dex plus Pokémon LeafGreen in the Nintendo DS GBA slot; replaces slots 8-9 (8% total). | ||
| Surfing | |||||
| Psyduck | 20-30 | 90% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. | ||
| Golduck | 20-40 | 10% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. | ||
| Fishing — Old Rod | |||||
| Magikarp | 3-15 | 100% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. | ||
| Fishing — Good Rod | |||||
| Magikarp | 10-25 | 55% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. | ||
| Goldeen | 15-20 | 40% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. | ||
| Seaking | 25-35 | 5% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. | ||
| Fishing — Super Rod | |||||
| Gyarados | 30-55 | 55% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. | ||
| Seaking | 30-55 | 45% | Rate counts base slots temporarily replaced by the daily swarm, hard-shaking Poké Radar patches, and GBA dual-slot insertions. | ||
Twinleaf Town
| Pokémon | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|
| Morning | Day | Night | |||
| Surfing | |||||
| Psyduck | 20-30 | 90% | — | ||
| Golduck | 20-40 | 10% | — | ||
| Fishing — Old Rod | |||||
| Magikarp | 3-15 | 100% | — | ||
| Fishing — Good Rod | |||||
| Magikarp | 10-25 | 55% | — | ||
| Goldeen | 15-20 or 25-35 | 45% | — | ||
| Fishing — Super Rod | |||||
| Gyarados | 30-55 | 55% | — | ||
| Seaking | 30-55 | 45% | — | ||
Twinleaf Town and Lake Verity
| Pokémon | Levels | Rate | Requirement / notes | ||
|---|---|---|---|---|---|
| Morning | Day | Night | |||
| Starter | |||||
 Chimchar | 5 | Choose one | Rowan's briefcase. Fire starter; evolves into Fire/Fighting Infernape. | ||
 Piplup | 5 | Choose one | Rowan's briefcase. Water starter; evolves into Water/Steel Empoleon. | ||
 Turtwig | 5 | Choose one | Rowan's briefcase. Grass starter; the other two require trading. | ||
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.
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.
| Trainer | Route order / placement | Full team | Reward | Optional / rematch note |
|---|---|---|---|---|
 Galactic Grunt Male GruntSource trainer ID 419 | Lake Verity • order 1 at source tile (43, 49) |
| ₽1,480 | One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant. |
| Galactic Grunt Male GruntSource trainer ID 420 | Lake Verity • order 2 at source tile (48, 43) | ₽1,400 | One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant. | |
 Galactic Grunt Female GruntSource trainer ID 426 | Lake Verity • order 3 at source tile (50, 49) | ₽1,440 | One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant. | |
| Galactic Grunt Female GruntSource trainer ID 427 | Lake Verity • order 4 at source tile (53, 43) | ₽1,440 | One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant. | |
 Commander Mars MarsSource trainer ID 405 | Lake Verity • scripted battle | ₽3,200 | One-time field/story battle unless the Vs. Seeker supplies a separate source trainer variant. |
Items And Services
| Item / service | Method | Plain-English placement | Requirement |
|---|---|---|---|
| TM38 | Visible field item | Pick up the item ball in the southwestern part of Lake Verity Low Water, 22 tiles west of the Rival. Source QA tile: 25, 54. | Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes. |
| TM38 | Visible field item | Pick up the item ball in the southwestern part of Lake Verity, 18 tiles west and 5 tiles south of the Galactic Grunt 1. Source QA tile: 25, 54. | Reach this source subarea; HM, Bicycle, time, and story gates are stated in the route and puzzle notes. |
Hidden Items
| Hidden item | Plain-English placement | Requirement |
|---|---|---|
| Tinymushroom | Use the Dowsing Machine on the ground in the southeastern part of Verity Lakefront. Source QA tile: 86, 849; search radius 2. | Dowsing Machine Pokétch app and access to this subarea. |
| Odd Keystone | Use the Dowsing Machine on the ground in the southwestern part of Twinleaf Town, 1 tile west and 4 tiles south of the Collector. Source QA tile: 107, 893; search radius 2. | Dowsing Machine Pokétch app and access to this subarea. |
Puzzles, Warps, And Switches
- Save before opening the briefcase if nature or gender matters. Barry permanently chooses the starter with the type advantage over yours.
Boss Strategy And Partners
No boss, Gym Leader, rival branch, Commander, Elite Four member, or Champion is assigned to this section.
Completion Checklist
- Visit all 10 mapped subareas listed in the source constants.
- Record the 52 applicable wild, static, gift, trade, or event encounter rows across the per-area tables.
- Defeat or intentionally defer all 5 source-placed trainer battles.
- Collect or account for 2 visible items, berry patches, gifts, and services plus 2 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/pokeplatinumcommit7c0aa10b6a6aa09d8824e08bd8a36f6fc8b7ad8d. - 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
