What Pokémon Emerald Ex changes
How the game plays differently from Pokémon Emerald, then every stat, type and ability it alters next to what the official games do.
How the game plays
Pokémon Emerald Ex is the Pokémon Amethyst Team's expansion of Pokémon Emerald, built on pokeemerald-expansion. The map you know is still there, with more between the places you remember: new routes, new towns, new special areas, and existing routes and towns widened out, so the walk from one settlement to the next is longer and there is more to find on the way. There are sixteen gyms rather than eight, the dex runs to 479 Pokémon drawn from every generation, and the trainers, learnsets, stats and abilities have all been reworked. The creator's stated aim was a fair, balanced game, not a harder one, so this is Hoenn at roughly its original difficulty with a great deal more of it.
How the wild tables are built
Every area in the creator's table has the same set of encounter slots, and each slot has a fixed rate. Where the same Pokémon fills more than one slot, this guide adds those slots together, so a Pokémon in the two 10% slots is shown at 20%. Anything at 5% or less is marked as rare. Four tables are still unfinished in the creator's document and do not add up to 100%: the grass on Route 106 and on Route 109, the dive list under Route 129, and the surf list in Steven's cave in Meteor Falls.
| Method | Slot rates |
|---|---|
| Grass or cave floor | 20% · 20% · 10% · 10% · 10% · 10% · 5% · 5% · 4% · 4% · 1% · 1% |
| Surf | 60% · 30% · 5% · 4% · 1% |
| Rock Smash | 60% · 30% · 5% · 4% · 1% |
| Old Rod | 70% · 30% |
| Good Rod | 60% · 20% · 20% |
| Super Rod | 40% · 40% · 15% · 4% · 1% |
| One-off encounters | No rate given — starters, fossils, gift Pokémon and the legendaries sit in columns of their own |
What the creator changed about the Pokémon
The documentation carries a changelog of base stats and typings measured against the original Emerald. It has 88 entries: 75 are marked as finished and 13 carry no status at all. This guide follows the finished ones: 45 Pokémon carry the creator's own base stats, 43 of which come out different from the original game's, and 33 carry the creator's own typing. The unfinished entries are shown as a note on the Pokémon's own page without changing anything, because an entry nobody marked as done is not something to tell a player is in the game.
Everything else on a Pokémon's page is the original game's: the creator's changelog names only what they edited, so a Pokémon that is not on it keeps the numbers Emerald gave it. Eight of the changelog's entries are for Pokémon the game's own dex list does not include, so they have no page here: Abomasnow, Aerodactyl, Aurorus, Darkrai, Druddigon, Mewtwo, Tyrantrum and Venusaur.
Sixteen gyms
The game has sixteen gyms, eight of them new. The creator has not published who leads the new ones, where they are or where they fall in the story, so this guide's checkpoints follow the original game's eight badges and say nothing about the other eight.
From the creator's own documentation spreadsheet for version 1.0.4.
The main changes
- New routes, new towns and new special areas added to Hoenn, with the original routes and towns expanded
- Sixteen gyms — the eight from the original game plus eight new ones
- A 479-Pokémon dex in the game's own order, drawing on every generation rather than Hoenn alone
- Wild tables rewritten for 120 areas, with the creator's own rate for every grass, surf, Rock Smash, fishing and dive slot
- Base stats and typings reworked for 88 Pokémon, including whole lines turned into single types and several new dual typings
- Updated learnsets, abilities and trainer teams, and new events
- Post-game content, and near-vanilla difficulty throughout
How the Pokémon change
Measured from the guide's own data, so it can't drift from the pages it links to.
Compared against present-day official data. The Fairy type and hidden abilities arrived after Pokémon Emerald, so a difference here can belong to the series rather than to this hack.
Base stat changes (43)
| Pokémon | What changed | Total | |
|---|---|---|---|
 | Charizard | HP 78→80, Attack 84→80, Defense 78→80, Sp. Atk 109→110, Speed 100→110 | 534→545 |
 | Blastoise | HP 79→100, Attack 83→75, Sp. Atk 85→90, Sp. Def 105→120, Speed 78→60 | 530→545 |
 | Butterfree | Sp. Atk 90→100, Speed 70→90 | 395→425 |
 | Pidgeot | HP 83→80, Attack 80→95, Speed 101→110 | 479→500 |
 | Fearow | Attack 90→105 | 442→457 |
 | Arbok | HP 60→70, Attack 95→105, Defense 69→65, Sp. Atk 65→70, Sp. Def 79→65, Speed 80→105 | 448→480 |
 | Raichu | HP 60→65, Defense 55→60 | 485→495 |
 | Nidoqueen | HP 90→110, Attack 92→80, Defense 87→90, Sp. Atk 75→90, Sp. Def 85→90, Speed 76→70 | 505→530 |
 | Nidoking | HP 81→90, Attack 102→110, Defense 77→80, Sp. Atk 85→80, Sp. Def 75→80, Speed 85→90 | 505→530 |
 | Arcanine | Attack 110→115, Sp. Atk 100→105, Speed 95→100 | 555→570 |
 | Machamp | Speed 55→70 | 505→520 |
 | Victreebel | HP 80→90, Attack 105→110, Sp. Atk 100→105 | 490→510 |
 | Tentacruel | HP 80→90, Attack 70→90, Defense 65→70, Sp. Def 120→100 | 515→530 |
 | Muk | HP 105→120, Attack 105→75, Sp. Atk 65→100, Sp. Def 100→110, Speed 50→30 | 500→510 |
 | Gengar | HP 60→80, Defense 60→50, Sp. Atk 130→135, Sp. Def 75→80, Speed 110→125 | 500→535 |
 | Onix | HP 35→75, Attack 45→95, Defense 160→90, Sp. Atk 30→90, Sp. Def 45→50, Speed 70→110 | 385→510 |
 | Kingler | HP 55→70, Sp. Def 50→60 | 475→500 |
 | Marowak | HP 60→70, Attack 80→100, Defense 110→100, Speed 45→80 | 425→480 |
 | Rhydon | HP 105→110, Sp. Def 45→60, Speed 40→60 | 485→525 |
 | Gyarados | Attack 125→70, Defense 79→90, Sp. Atk 60→110, Sp. Def 100→90, Speed 81→100 | 540→555 |
 | Snorlax | HP 160→170, Defense 65→75, Sp. Atk 65→80 | 540→575 |
 | Dragonite | HP 91→90, Attack 134→130, Defense 95→100, Sp. Atk 100→110, Speed 80→90 | 600→620 |
 | Mew | HP 100→130, Attack 100→50, Defense 100→50, Sp. Atk 100→130, Speed 100→140 | 600→600 |
 | Typhlosion | HP 78→80, Attack 84→80, Defense 78→80, Sp. Atk 109→120, Sp. Def 85→80, Speed 100→95 | 534→535 |
 | Tyranitar | HP 100→120, Attack 134→130, Sp. Atk 95→90, Speed 61→70 | 600→620 |
 | Sceptile | Attack 85→115, Sp. Atk 105→85 | 530→540 |
 | Swampert | HP 100→105, Attack 110→115, Defense 90→95 | 535→550 |
 | Swellow | HP 60→65, Attack 85→90 | 455→465 |
 | Exploud | Defense 63→70, Sp. Atk 91→110, Sp. Def 73→80 | 490→523 |
 | Aggron | HP 70→100, Attack 110→115 | 530→565 |
 | Wailord | HP 170→180, Attack 90→110, Defense 45→65, Sp. Def 45→65, Speed 60→40 | 500→550 |
 | Altaria | HP 75→80, Attack 70→75, Defense 90→80, Sp. Atk 70→95, Speed 80→90 | 490→525 |
 | Tropius | HP 99→100, Attack 68→85, Defense 83→75, Sp. Atk 72→85, Sp. Def 87→90, Speed 51→60 | 460→495 |
 | Lucario | Attack 110→115, Defense 70→75, Sp. Atk 115→105, Speed 90→95 | 525→530 |
 | Hippowdon | HP 108→110, Attack 112→120, Defense 118→120, Sp. Atk 68→70 | 525→539 |
 | Electivire | HP 75→80, Attack 123→125, Defense 67→70, Sp. Atk 95→110, Sp. Def 85→90, Speed 95→80 | 540→555 |
 | Golurk | HP 89→100, Attack 124→115, Defense 80→75, Sp. Atk 55→65, Sp. Def 80→105, Speed 55→95 | 483→555 |
 | Trevenant | HP 85→90, Attack 110→105, Defense 76→80, Sp. Atk 65→80, Sp. Def 82→85, Speed 56→65 | 474→505 |
 | Coalossal | HP 110→115, Attack 80→90, Sp. Atk 80→90 | 510→535 |
 | Copperajah | Attack 130→120, Sp. Def 69→80 | 500→501 |
 | Orthworm | HP 70→90, Sp. Def 55→80, Speed 65→30 | 480→490 |
 | Annihilape | Sp. Atk 50→70 | 535→555 |
 | Baxcalibur | HP 115→110, Attack 145→120, Defense 92→95, Sp. Atk 75→120, Sp. Def 86→90, Speed 87→70 | 600→605 |
Type changes (33)
| Pokémon | Was | Now | |
|---|---|---|---|
| Charizard | Fire / Flying | FireDragon |
 | Pidgey | Normal / Flying | Flying |
 | Pidgeotto | Normal / Flying | Flying |
| Pidgeot | Normal / Flying | Flying |
 | Spearow | Normal / Flying | Flying |
| Fearow | Normal / Flying | Flying |
 | Psyduck | Water | WaterPsychic |
 | Golduck | Water | WaterPsychic |
 | Geodude | Rock / Ground | Rock |
 | Graveler | Rock / Ground | Rock |
 | Golem | Rock / Ground | Rock |
 | Gastly | Ghost / Poison | Ghost |
 | Haunter | Ghost / Poison | Ghost |
| Gengar | Ghost / Poison | Ghost |
| Gyarados | Water / Flying | WaterDragon |
 | Quilava | Fire | FireGround |
| Typhlosion | Fire | FireGround |
 | Larvitar | Rock / Ground | GroundDark |
 | Pupitar | Rock / Ground | GroundDark |
| Tyranitar | Rock / Dark | GroundDark |
 | Lugia | Psychic / Flying | WaterFlying |
 | Grovyle | Grass | GrassDragon |
| Sceptile | Grass | GrassDragon |
 | Aron | Steel / Rock | Steel |
 | Lairon | Steel / Rock | Steel |
| Aggron | Steel / Rock | Steel |
 | Groudon | Ground | GroundFire |
 | Shinx | Electric | ElectricDark |
 | Luxio | Electric | ElectricDark |
 | Luxray | Electric | ElectricDark |
| Electivire | Electric | ElectricFighting |
 | Rillaboom | Grass | GrassFighting |
| Orthworm | Steel | SteelGround |