The Trading Card Game Islands are the setting of the Pokémon Trading Card Game games. The region consists of two small islands, TCG Island, which appeared in both games, and GR Island, which appeared alongside the original island in the second game only, much like Kanto and Johto.
TCG Islands Sidequests
Trainers
| Battle | Trainer Name | Area | Pokémon 1 / Level | Pokémon 2 / Level | Pokémon 3 / Level | Pokémon 4 / Level | Pokémon 5 / Level | Pokémon 6 / Level |
| #312 | Fighting Trainer Bill | Fighting Club |  Primeape - 100 |
 Machoke - 100 |
 Hitmonlee - 100 |
 Machop - 100 | ||
| #313 | Fighting Trainer Jessie | Fighting Club |  Poliwrath - 100 |
 Mankey - 100 |
 Hitmonchan - 100 | |||
| #314 | Fighting Trainer Jack | Fighting Club | Machop - 100 |
Machoke - 100 |
 Machamp - 100 |
Hitmonlee - 100 |
Hitmonchan - 100 | |
| #315 | Fighting Trainer Robert | Fighting Club | Mankey - 100 |
Primeape - 100 |
Poliwrath - 100 | |||
| #316 | Fighting Trainer Hugo | Fighting Club | Machamp - 100 |
Hitmonlee - 100 |
Poliwrath - 100 |
Hitmonchan - 100 |
Primeape - 100 |
Machamp - 100 |
| #317 | Fire Trainer Rich | Fire Club |  Charmeleon - 100 |
 Vulpix - 100 |
 Growlithe - 100 | |||
| #318 | Fire Trainer Harry | Fire Club |  Ponyta - 100 |
 Arcanine - 100 |
 Magmar - 100 |
Vulpix - 100 | ||
| #319 | Fire Trainer Mell | Fire Club |  Flareon - 100 |
 Ninetales - 100 |
 Charmander - 100 |
 Rapidash - 100 | ||
| #320 | Fire Trainer Glen | Fire Club |  Charizard - 100 |
 Moltres - 100 |
Arcanine - 100 |
Rapidash - 100 |
Magmar - 100 |
Ninetales - 100 |
| #321 | Fire Trainer Rick | Fire Club | Charmander - 100 |
Charmeleon - 100 |
Charizard - 100 |
Flareon - 100 |
Rapidash - 100 |
Moltres - 100 |
| #322 | Grass Trainer Missy | Grass Club |  Ivysaur - 100 |
 Oddish - 100 |
 Parasect - 100 | |||
| #323 | Grass Trainer Lola | Grass Club |  Tangela - 100 |
 Shiny Vileplume - 100 |
 Weepinbell - 100 |
 Gloom - 100 | ||
| #324 | Grass Trainer Damon | Grass Club |  Dark Venusaur - 100 |
 Exeggutor - 100 |
 Exeggcute - 100 |
 Mystic Bellsprout - 100 | ||
| #325 | Grass Trainer Dana | Grass Club |  Mystic Victreebel - 100 |
 Mystic Venusaur - 100 |
 Mystic Vileplume - 100 |
 Mystic Exeggutor - 100 |
 Mystic Ivysaur - 100 | |
| #326 | Grass Trainer Kurt | Grass Club | Metallic Bulbasaur Metallic Bulbasaur - 100 |
 Shiny Gloom - 100 |
 Dark Bellsprout - 100 |
 Mystic Parasect - 100 |
 Shadow Tangela - 100 |
Exeggutor - 100 |
| #327 | Electric Trainer Sara | Lightning Club |  Mystic Pikachu - 100 |
 Voltorb - 100 |
 Magnemite - 100 | |||
| #328 | Electric Trainer Alissa | Lightning Club |  Electabuzz - 100 |
 Dark Magneton - 100 |
 Jolteon - 100 |
Magnemite - 100 | ||
| #329 | Electric Trainer Derek | Lightning Club |  Mystic Raichu - 100 |
 Shadow Electrode - 100 |
 Zapdos - 100 |
 Dark Zapdos - 100 | ||
| #330 | Electric Trainer Allo | Lightning Club | Voltorb - 100 |
 Dark Voltorb - 100 |
 Shiny Voltorb - 100 |
 Electrode - 100 |
 Dark Electrode - 100 |
 Shiny Electrode - 100 |
| #331 | Electric Trainer Chris | Lightning Club | Jolteon - 100 |
Zapdos - 100 |
Dark Zapdos - 100 |
 Metallic Zapdos - 100 |
 Shadow Jolteon - 100 |
 Shiny Jolteon - 100 |
| #332 | Psychic Trainer Hal | Psychic Club |  Slowpoke - 100 |
 Kadabra - 100 |
 Drowzee - 100 |
 Abra - 100 | ||
| #333 | Psychic Trainer Louise | Psychic Club | Exeggutor - 100 |
 Starmie - 100 |
 Shiny Jynx - 100 |
 Mr. Mime - 100 | ||
| #334 | Psychic Trainer Jerry | Psychic Club | Exeggutor - 100 |
 Dark Hypno - 100 |
 Alakazam - 100 |
Kadabra - 100 |
Abra - 100 | |
| #335 | Psychic Trainer Harvey | Psychic Club |  Slowbro - 100 |
Exeggcute - 100 |
Mr. Mime - 100 |
Kadabra - 100 | ||
| #336 | Psychic Trainer Jal | Psychic Club |  Mystic Mew - 100 |
 Dark Alakazam - 100 |
Slowbro - 100 |
Exeggutor - 100 |
 Jynx - 100 |
 Mewtwo - 100 |
| #337 | Rock Trainer Jim | Rock Club |  Geodude - 100 |
 Shiny Rhyhorn - 100 |
 Kabuto - 100 | |||
| #338 | Rock Trainer Lars | Rock Club |  Omanyte - 100 |
 Onix - 100 |
 Kabutops - 100 | |||
| #339 | Rock Trainer Sally | Rock Club |  Rhydon - 100 |
 Aerodactyl - 100 |
 Shiny Graveler - 100 |
Geodude - 100 | ||
| #340 | Rock Trainer Darius | Rock Club |  Dark Omastar - 100 |
Geodude - 100 |
 Graveler - 100 |
 Golem - 100 |
Onix - 100 | |
| #341 | Rock Trainer Greg | Rock Club | Golem - 100 |
Rhydon - 100 |
Onix - 100 |
Graveler - 100 |
 Dugtrio - 100 | |
| #342 | Scientist Merl | Science Club |  Pidgeot - 100 |
 Fearow - 100 |
 Venusaur - 100 |
 Dodrio - 100 | ||
| #343 | Scientist Justin | Science Club |  Golbat - 100 |
 Shiny Butterfree - 100 |
Charizard - 100 |
 Scyther - 100 |
 Gyarados - 100 | |
| #344 | Scientist Gary | Science Club |  Dragonite - 100 |
 Pidgeotto - 100 |
Dodrio - 100 |
Aerodactyl - 100 |
 Vileplume - 100 | |
| #345 | Scientist Malcolm | Science Club |  Articuno - 100 |
Zapdos - 100 |
Moltres - 100 |
Charizard - 100 |
Dragonite - 100 |
Gyarados - 100 |
| #346 | Scientist Larry | Science Club |  Victreebel - 100 |
Golbat - 100 |
 Farfetchd - 100 |
Pidgeot - 100 |
Vileplume - 100 | |
| #347 | Water Trainer Cissy | Water Club |  Poliwhirl - 100 |
 Tentacool - 100 |
 Psyduck - 100 |
 Shellder - 100 |
 Krabby - 100 | |
| #348 | Water Trainer Daryl | Water Club |  Cloyster - 100 |
 Staryu - 100 |
 Tentacruel - 100 |
Slowbro - 100 |
 Horsea - 100 | |
| #349 | Water Trainer Bruno | Water Club |  Seaking - 100 |
 Vaporeon - 100 |
 Lapras - 100 |
 Omastar - 100 |
Gyarados - 100 | |
| #350 | Water Trainer Mark | Water Club |  Seadra - 100 |
 Dewgong - 100 |
 Blastoise - 100 |
Cloyster - 100 |
 Kingler - 100 | |
| #351 | Water Trainer Manny | Water Club | Poliwrath - 100 |
 Golduck - 100 |
 Wartortle - 100 |
Lapras - 100 |
Kabutops - 100 |
Omanyte - 100 |
| #352 | Cool Trainer Farley | Challenge Hall |  Dragonair - 100 |
Cloyster - 100 |
 Nidoking - 100 |
 Nidoqueen - 100 | ||
| #353 | Biker Miles | Challenge Hall |  Venomoth - 100 |
Fearow - 100 |
 Muk - 100 |
 Weezing - 100 |
 Gengar - 100 | |
| #354 | Swimmer Tracey | Challenge Hall | Lapras - 100 |
 Wigglytuff - 100 |
 Ditto - 100 |
 Snorlax - 100 |
Vaporeon - 100 | |
| #355 | Copycat Russell | Challenge Hall | Ditto - 100 |
Ditto - 100 |
Ditto - 100 |
Ditto - 100 |
Ditto - 100 |
Ditto - 100 |
| #356 | Digger Eric | Challenge Hall |  Marowak - 100 |
Rhydon - 100 |
Dugtrio - 100 |
Graveler - 100 |
 Sandslash - 100 |
Nidoking - 100 |
| #357 | Lass Christina | Mason Laboratory |  Magneton - 100 |
Alakazam - 100 |
 Hypno - 100 |
 Haunter - 100 |
 Pinsir - 100 |
 Clefable - 100 |
| #358 | Psychic Larry | Mason Laboratory |  Shiny Venomoth - 100 |
 Dark Kadabra - 100 |
 Dark Gengar - 100 |
 Metallic Mr. Mime - 100 |
 Mystic Jynx - 100 | |
| #359 | Scientist Anna | Mason Laboratory | Magneton - 100 |
 Mystic Magneton - 100 |
Dark Magneton - 100 |
 Shadow Muk - 100 | ||
| #360 | Cool Trainer Hillary | Mason Laboratory |  Shadow Dragonair - 100 |
 Shadow Dragonite - 100 |
 Mystic Gyarados - 100 |
 Dark Jolteon - 100 |
 Shiny Kabutops - 100 |
 Metallic Pidgeot - 100 |
| #361 | Biker Trey | Mason Laboratory |  Shiny Golem - 100 |
 Shiny Onix - 100 |
 Shiny Fearow - 100 |
 Dark Fearow - 100 |
 Metallic Snorlax - 100 |
Prizes and Drop Rates
| Prize | Location | Drop Rate |
 10x Master Ball(s) |
TCG Islands Sidequests | 33.3% |
| 20x Master Ball(s) |
TCG Islands Sidequests | 33.3% |
| 30x Master Ball(s) |
TCG Islands Sidequests | 33.3% |