Pokemon Polka Aqua (GBA) - A Multiverse Crossover Adventure Featuring Heroes from TV and Film
Game Information
Table Of Contents
About This ROM Hack
Pokémon Polka Aqua is a large-scale, story-driven ROM hack that blends the Pokémon universe with characters from numerous television series and films. Rather than focusing purely on mechanical upgrades, this hack builds an ambitious crossover narrative where superheroes, detectives, magical figures, and fictional personalities coexist inside the Pokémon world.
The adventure begins with rescuing Professor Palm and quickly expands into a globe-spanning mystery involving Hydra, alternate universes, parallel dimensions, and the secrets of Pokémon evolution. Azurill plays a surprisingly central role in the overarching narrative, giving the game a thematic anchor beneath its crossover spectacle.
Version 1.38 includes both a full edition with significant stat and move buffs, as well as a Lite Version that retains most features but avoids major base stat and move power changes.
Story Overview
Your journey begins in Newtown, where you meet your rival, May or Brendan. You rescue Professor Palm and receive your first Pokémon from Professor Beech’s lab. From there, the story quickly escalates beyond a typical Gym challenge.As you travel through cities based on real-world locations like New York, Los Angeles, San Francisco, Miami, and Washington DC, you meet characters inspired by various TV shows and movies. You help S.H.I.E.L.D. agents investigate corporate plots at Luthor Corp, uncover supernatural threats in Sunnydale, explore Hogwarts, and even travel between parallel universes.
The story includes Hydra invasions, multiverse breaches, ancient tombs, and magical artifacts, leading to Azurill Isle, where a deeper mystery about evolution and power unfolds.
After defeating the Pokémon League, the story continues with a large post-game arc featuring parallel universes, S.T.A.R. Labs, the Enchanted Forest, and a final disaster linked back to Azurill Isle. This is more than just a Gym-to-League journey; it’s a connected cinematic saga.
Key Features
- New Crossover Storyline: A fully original narrative that integrates characters from television and film into the Pokémon world, creating a multi-layered adventure filled with mysteries, investigations, and world-saving events.
- TV Show and Movie Characters Drive the Plot: Characters inspired by popular series actively influence major story events, missions, and battles rather than appearing as simple cameos.
- Extensive Post-Game Arc: After the Pokémon League, the story expands into alternate universes, new regions, and additional boss encounters, concluding the full narrative.
- New Locations Across the Map: The region includes numerous custom towns and cities inspired by real-world and fictional settings, each tied to story events.
- Wide Pokémon Selection: A diverse roster including Pokémon from multiple generations.
- Physical/Special Split: Modern battle mechanics are implemented, separating move categories by function rather than type.
- Fairy Type Included: The Fairy type is fully integrated into type matchups and movesets.
- Gym Battle Format Choice: Players can challenge Gym Leaders in Single or Double Battles. Choosing “Either” randomly selects one of the two formats.
- Gym Leader Rematches: All Gym Leaders can be re-battled post-game as many times as desired.
- Custom Shiny Palettes: Numerous Pokémon feature unique shiny recolors.
- Increased Shiny Odds: The probability of encountering shiny Pokémon is higher than standard rates.
- Increased Experience Yield: Defeated Pokémon provide more experience, accelerating team progression.
- Unique Starter Pokémon Set: The game offers a distinctive starter selection compared to standard Hoenn-based games.
- Reverse Stone Mechanic: A special item that allows Pokémon to revert to previous evolutionary stages.
- HM Replacement Key Items: Key Items function in place of Cut, Rock Smash, Strength, Dive, and Waterfall, reducing reliance on HM moves in battle.
- Form Changes for Many Pokémon: Several Pokémon can change forms through items or conditions.
- Modified Secondary Types: Certain Pokémon receive adjusted or entirely new secondary typings for balance or thematic reasons.
- Updated Movesets: Most Pokémon have revised movesets for better competitive viability and synergy.
- Base Stat Buffs: Many Pokémon receive increased base stats to improve usability.
- Move Power Adjustments: Numerous moves have had their base power increased to enhance combat pacing.
- TM Rebalancing: Certain TMs have been changed to be more practical and valuable.
- Evolution Method Changes: Some Pokémon evolve through new or simplified methods.
- New Evolution Stones: Ice Stone, Shiny Stone, Dusk Stone, and Dawn Stone are added.
- Form-Change Items Added: Special items exist for altering specific Pokémon forms.
- Reusable TMs: TMs can be used infinitely.
- Updated Repel System: When a Repel expires, the game prompts you to use another and allows you to choose which type.
- New Powerful Held Items: A variety of newly introduced or enhanced held items improve strategy.
- Cheaper Shop Prices: Items are more affordable at Poké Marts.
- Expanded Mart Inventory: Shops carry a wider selection of useful items.
- Post-Game Twist Gym: A special additional Gym becomes available after the main story, featuring a unique mechanic.
- Lite Version Option: A version of the game without most base stat and move power buffs is available for players who prefer a more traditional balance.
Known Bugs & Issues
- No major game-breaking bugs reported
- Balance differences between the main and Lite versions may affect difficulty expectations
- As with large-scale rebalances, some Pokémon may feel significantly stronger than others
Screenshots
Download Links
Download: MediafireLite Version: Mediafire
Documentation
Evolution & Type Changes
Level Evolutions- Lv. 40: Porygon → Porygon2
- Lv. 50: Kadabra → Alakazam, Haunter → Gengar, Onix → Steelix, Scyther → Scizor, Seadra → Kingdra, Piloswine → Mamoswine, Mantyke → Mantine
- Lv. 60: Porygon2 → Porygon-Z, Feebas → Milotic
- Lv. 70: Meltan → Melmetal
- Fire Stone: Growlithe → Arcanine
- Water Stone: Poliwhirl → Poliwrath, Slowpoke → Slowbro, Seadra → Kingdra, Lombre → Ludicolo, Mantyke → Mantine, Cubchoo → Beartic
- Leaf Stone: Gloom → Vileplume, Weepinbell → Victreebel, Skiddo → Gogoat
- Thunder Stone: Pikachu → Raichu, Magneton → Magnezone
- Moon Stone: Nidorina → Nidoqueen, Nidorino → Nidoking, Clefairy → Clefable, Jigglypuff → Wigglytuff, Skitty → Delcatty
- Sun Stone: Gloom → Bellossom, Sunkern → Sunflora, Petilil → Lilligant, Helioptile → Heliolisk
- Ice Stone: Seel → Dewgong, Snorunt → Glalie, Sealeo → Walrein, Cubchoo → Beartic
- Shiny Stone: Poliwhirl → Politoed, Slowpoke → Slowking, Togetic → Togekiss, Phanpy → Donphan, Kirlia → Gardevoir, Happiny → Chansey, Minccino → Cinccino, Stufful → Bewear
- Dusk Stone: Teddiursa → Ursaring, Zorua → Zoroark
- Dawn Stone: Kirlia → Gallade, Snorunt → Froslass
Eevee:
- Flareon (Fire), Jolteon (Thunder), Vaporeon (Water), Transition Eevee (Reverse) → Espeon (Sun), Umbreon (Moon), Leafeon (Leaf), Glaceon (Ice), Sylveon (Shiny)
- Lv.22 or Sun → Sandslash | Alola Stone swaps forms | Ice → Alolan Sandslash | Reverse reverts
- Fire → Ninetales | Alola Stone swaps forms | Ice → Alolan Ninetales | Reverse reverts
- Lv.25/Sun → Midday | Moon → Midnight | Dusk → Dusk | Stones allow form swaps | Reverse → Rockruff
- Lv.43 → Cosmoem → Lv.53 Solgaleo/Lunala (random) | Reverse reverts | Sun/Moon swap legends
- Shaymin: Gracidea (Land ↔ Sky)
- Kyurem: Thunder (Black), Fire (White), Reverse (Original)
- Meloetta: Treble Stone (Aria ↔ Pirouette)
- Zygarde: Reverse (10% ↔ 50%), Order Cube (Complete)
- Hoopa: Prison Bottle (Confined ↔ Unbound)
- Necrozma: Dusk/Dawn Stones (Forms), Ultra Stone (Ultra), Reverse (Original)
- Butterfree (Bug/Psychic), Clefairy line (Normal/Fairy), Ninetales (Fire/Psychic), Arcanine (Fire/Electric*), Ampharos (Electric/Dragon), Bellossom (Grass/Fire*), Milotic (Water/Fairy), Lycanroc-Midnight (Rock/Dark), Zeraora (Electric/Fighting), etc.
- *Not in Lite Version
Lickitung, Rhydon, Electabuzz, Aipom, Yanma, Murkrow, Gligar, Sneasel, Buneary, Litleo, Grookey line, Scorbunny line, Sobble line
Missing Pre-EvolutionsAlolan Exeggutor, Crobat, Sudowoodo, Shedinja, Chimecho
Notes
- Reverse Stone can devolve Pokémon (if available).
- Reverse Stone also works for certain form changes.
- New stone evolutions do not remove level-up methods.
Developer Information
Developer / Team: Latios Azurill
Source & References
Official Thread / Website: https://latiosazurill.wixsite.com/pokemonpolkaaqua
Frequently Asked Questions
Q: Who is this hack/game for?
A: This hack is ideal for players who enjoy story-heavy Pokémon experiences, especially those who like crossover concepts involving TV shows, films, and multiverse-style storytelling.
Q: Is this a serious competitive hack or a narrative-driven one?
A: While it includes mechanical upgrades and balance adjustments, the primary focus is its large crossover narrative and post-game storyline.
Q: Can I re-battle Gym Leaders?
A: Yes. All Gym Leaders can be challenged again after completing the main story.
Q: Is there post-game content?
A: Yes. The post-game is extensive and includes alternate universes, new battles, and additional legendary encounters.
Q: Does the game include modern battle mechanics?
A: Yes. The Physical/Special split and Fairy type are included, along with other mechanical improvements.
Q: What is the Reverse Stone?
A: It is a unique item that allows you to un-evolve a Pokémon back to a previous stage.
Q: Are Legendary and Mythical Pokémon obtainable?
A: Yes. The game includes a large number of Legendary and Mythical Pokémon, each with in-game hints tied to locations and story references.
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