USUM expands the Alola Pokedex over Sun and Moon. More Pokemon are available earlier, new Ultra Beasts join the roster, and Ultra Warp Ride opens up legendaries from every past generation. The late game is harder too. Ultra Necrozma will sweep your team if you're not ready. Same Trial system, bigger Pokedex.

Showing all 825 Pokemon that can exist in Ultrasun Ultramoon, including transfers from other games.

How the USUM Pokedex expanded from Sun & Moon

USUM boosts the Alola dex from 302 to 403 Pokemon. Over 100 species are available that weren't in the originals.

Ultra Wormhole travel is the standout postgame feature. Ride Solgaleo or Lunala through wormholes and you can encounter every non-event legendary from past generations. The farther you travel, the rarer the finds. Island Scan (QR codes) adds more variety on a weekly rotation. With Pokemon Bank, the full 807 is reachable.

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Tirtouga - Pokemon Ultra Sun & Ultra Moon
#241

Tirtouga

waterrock
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Carracosta - Pokemon Ultra Sun & Ultra Moon
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Carracosta

waterrock
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Tyrunt - Pokemon Ultra Sun & Ultra Moon
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Tyrunt

rockdragon
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Tyrantrum - Pokemon Ultra Sun & Ultra Moon
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Tyrantrum

rockdragon
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Amaura - Pokemon Ultra Sun & Ultra Moon
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Amaura

rockice
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Aurorus - Pokemon Ultra Sun & Ultra Moon
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Aurorus

rockice
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Larvitar - Pokemon Ultra Sun & Ultra Moon
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Larvitar

rockground
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Pupitar - Pokemon Ultra Sun & Ultra Moon
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Pupitar

rockground
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Tyranitar - Pokemon Ultra Sun & Ultra Moon
#249

Tyranitar

rockdark
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Phantump - Pokemon Ultra Sun & Ultra Moon
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Phantump

ghostgrass
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Trevenant - Pokemon Ultra Sun & Ultra Moon
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Trevenant

ghostgrass
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Natu - Pokemon Ultra Sun & Ultra Moon
#252

Natu

psychicflying
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Xatu - Pokemon Ultra Sun & Ultra Moon
#253

Xatu

psychicflying
C
Nosepass - Pokemon Ultra Sun & Ultra Moon
#254

Nosepass

rock
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Probopass - Pokemon Ultra Sun & Ultra Moon
#255

Probopass

rocksteel
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Pyukumuku - Pokemon Ultra Sun & Ultra Moon
#256

Pyukumuku

water
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Chinchou - Pokemon Ultra Sun & Ultra Moon
#257

Chinchou

waterelectric
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Lanturn - Pokemon Ultra Sun & Ultra Moon
#258

Lanturn

waterelectric
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Type: Null - Pokemon Ultra Sun & Ultra Moon
#259

Type: Null

normal
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Silvally - Pokemon Ultra Sun & Ultra Moon
#260

Silvally

normal
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Poipole - Pokemon Ultra Sun & Ultra Moon
#261

Poipole

poison
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Naganadel - Pokemon Ultra Sun & Ultra Moon
#262

Naganadel

poisondragon
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Zygarde - Pokemon Ultra Sun & Ultra Moon
#263

Zygarde

dragonground
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Trubbish - Pokemon Ultra Sun & Ultra Moon
#264

Trubbish

poison
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Garbodor - Pokemon Ultra Sun & Ultra Moon
#265

Garbodor

poison
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Minccino - Pokemon Ultra Sun & Ultra Moon
#266

Minccino

normal
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Cinccino - Pokemon Ultra Sun & Ultra Moon
#267

Cinccino

normal
C
Pineco - Pokemon Ultra Sun & Ultra Moon
#268

Pineco

bug
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Forretress - Pokemon Ultra Sun & Ultra Moon
#269

Forretress

bugsteel
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Skarmory - Pokemon Ultra Sun & Ultra Moon
#270

Skarmory

steelflying
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Ditto - Pokemon Ultra Sun & Ultra Moon
#271

Ditto

normal
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Cleffa - Pokemon Ultra Sun & Ultra Moon
#272

Cleffa

fairy
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Clefairy - Pokemon Ultra Sun & Ultra Moon
#273

Clefairy

fairy
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Clefable - Pokemon Ultra Sun & Ultra Moon
#274

Clefable

fairy
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Elgyem - Pokemon Ultra Sun & Ultra Moon
#275

Elgyem

psychic
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Beheeyem - Pokemon Ultra Sun & Ultra Moon
#276

Beheeyem

psychic
C
Minior - Pokemon Ultra Sun & Ultra Moon
#277

Minior

rockflying
D
Beldum - Pokemon Ultra Sun & Ultra Moon
#278

Beldum

steelpsychic
C
Metang - Pokemon Ultra Sun & Ultra Moon
#279

Metang

steelpsychic
B
Metagross - Pokemon Ultra Sun & Ultra Moon
#280

Metagross

steelpsychic
C
Porygon - Pokemon Ultra Sun & Ultra Moon
#281

Porygon

normal
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Porygon2 - Pokemon Ultra Sun & Ultra Moon
#282

Porygon2

normal
B
Porygon-Z - Pokemon Ultra Sun & Ultra Moon
#283

Porygon-Z

normal
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Pancham - Pokemon Ultra Sun & Ultra Moon
#284

Pancham

fighting
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Pangoro - Pokemon Ultra Sun & Ultra Moon
#285

Pangoro

fightingdark
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Komala - Pokemon Ultra Sun & Ultra Moon
#286

Komala

normal
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Torkoal - Pokemon Ultra Sun & Ultra Moon
#287

Torkoal

fire
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Turtonator - Pokemon Ultra Sun & Ultra Moon
#288

Turtonator

firedragon
  • 807 total, five more than Sun and Moon. The new additions are Ultra Beasts: Poipole, Naganadel, Stakataka, Blacephalon, and Zeraora. The Alola dex is slightly expanded with more encounter options early.

  • The story diverges around the midpoint. Necrozma absorbs the box legendary to become Ultra Necrozma, one of the hardest boss fights in any Pokemon game. Ultra Warp Ride lets you catch legendaries from every past generation. New Ultra Beasts, more early encounters, and the Mantine Surf minigame are added.

  • Ultra Necrozma has 167 Sp. Atk, 97 Speed, and gets a stat-boosting aura on top of that. It will sweep most teams. Common strategies: Zoroark's Illusion to bait a Fighting-type move, Toxic stalling, or a Focus Sash Pokemon with a super effective hit. It's level 60 and the biggest difficulty spike in the series.

  • A minigame where you fly through Ultra Space on Solgaleo or Lunala. Different colored wormholes lead to different Pokemon. Legendary Pokemon from past generations (Mewtwo, Ho-Oh, Groudon, etc.) appear in the furthest wormholes. It's the main way to catch non-Alolan legendaries without transferring from older games.

  • Still Gen 7, 3DS, 2017. USUM is the enhanced take on Alola. Same Trial system, but the story diverges around the midpoint into Ultra Space content. More Pokemon available earlier, new Ultra Beasts, and a harder endgame stretch.

  • Same three starters as Sun and Moon. Litten's Incineroar is still the most practical for the story since Intimidate neuters Totem Pokemon. But team building matters more in USUM because Ultra Necrozma demands a specific answer on your squad.

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Pokemon Comparison