Can You Complete All 139 Pokémon in Pokémon Switch? What They’re Hiding!

Completing all 139 Pokémon in Pokémon Scarlet and Pokémon Switch is one of the most ambitious goals for modern gamers in the series—yet many still wonder: is it really possible? And beyond just gameplay completion, what secrets are hiding in the world? In this article, we’ll explore whether finishing every Pokémon is feasible, uncover the hidden gems scattered throughout the game, and reveal why this challenge captivates players worldwide.

Understanding the Context

Can You Complete All 139 Pokémon in Pokémon Switch?

While Pokémon Scarlet and Pokémon Switch introduced fresh mechanics and expanded the Pokémon roster far beyond earlier titles, completing all 139 Pokémon has become an achievable—and deeply rewarding—goal. Thanks to dynamic item-based catching mechanics, boat-based Pokémon variants, and regional Pokédexes, every single Pokémon is now reachable through exploration and strategy, not just precise stock-ups.

The game doesn’t restrict Pokémon availability, meaning you can theoretically encounter and catch every species across all regions: Intented, Wild, pseudo, and Mythical Pokémon alike. However, time, strategy, and persistence are key. With equipable abilities changing based on gear and regional variations, completing all Pokémon requires careful planning—especially if aiming for Complete Completion or the Symphony Collection.

Can You Complete All 139 Pokémon in Pokémon Switch? Here’s What They’re Hiding!

Key Insights

What Pokémon Are Hiding? Beyond the Obvious

While most core Pokémon appear early or as stock-ups, the real treasure lies in the hidden and rare Pokémon that deepen the world:

  • Mythical Pokémon: Including legends like Rayquaza, Solgaleo, and Lithia, scattered across remote areas and certain experiments.
  • Pseudo/Pokédex Exclusives: Over 100 Pokémon not available by usual means—like Anepon (within Wobbuffet niches) or Feraligatr variations—can only be found through boat travel, research, or hunting in specific biomes.
  • Region-Specific Evasive Pokémon: Some Pokémon only appear via limited events, mutations, or after rare encounters—such as Alolan forms in Undiscovered Zones or variant Pokémon on Islands like Route 8 or Route 10.
  • Unique Hidden Items and Easter Eggs: Secrets like the Dream Machine, Reshedom, or rare Ultra Balls enable access to otherwise unreachable Pokémon.

These hidden layers reward persistent exploration, making the game far more than just a completion checklist—they’re a living, evolving world waiting to be explored fully.

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Final Thoughts

Why Complete All Pokémon—The Rewards Beyond Full Collection

Why dedicate hundreds of hours to hunting every single Pokémon? For many players, it’s not just about numbers—it’s about unlocking:

  • Maximized Battle Potential: Complete stats, access regional movesets, and explore the full strength of every Pokémon, crucial for rankings and guarding.
  • Enhanced Discovery: Avoid missing story beats, side encounters, or secret lore tied to rare Pokémon.
  • Emotional Satisfaction: Completing the full roster offers profound pride and a deep connection to the Pokémon universe.

Even creating custom teams with every Pokémon—known as the “symphony team”—requires full inclusion, highlighting how deeply intertwined the collection is with gameplay depth.

Tips to Complete All 139 Pokémon in Pokémon Switch

  • Use Boat Specs to access Alolan forms and Pokémon on B-series Islands.
  • Save often and utilize Autosuit Evolution or catchers to manage team composition.
  • Explore every corner—especially remote Biome 27 (Klub Club Island), Route 1’s underground caves, and Route 21 route halls.
  • Hunt Mythicals via specific labs or secret locations.
  • Complete every Pokédex challenge—you’ll unlock access to elusive species throughout the game.

Final Thoughts

In Pokémon Scarlet and Pokémon Switch, completing all 139 Pokémon is not just a challenge—it’s an immersive journey through a living world filled with secrets waiting just beyond the horizon. With strategic gameplay, persistence, and curiosity, every hidden Pokémon and rare catch becomes a milestone in your adventure. So gear up—dive deep, explore wider, and uncover what’s truly hidden in the Pokémon world. The journey itself is the ultimate treasure.