Pokémon Soul Silver Plus NDS ROM Hack – Enhanced Difficulty, 493 Pokémon & Major Gameplay Improvements
Game Information
Original Game (ROM Base): Pokémon SoulSilver
Hack Status: Beta v10 (Development discontinued before full completion)
Language: English
Content Type: Difficulty Enhancement, Quality of Life, Pokémon Expansion, Gameplay Improvement
Table Of Contents
About This ROM Hack
Pokémon Soul Silver Plus is a gameplay enhancement ROM hack of Pokémon SoulSilver designed as a personal project that evolved into a polished experience for players looking for a more challenging yet faithful Johto adventure. Rather than dramatically altering the story or introducing entirely new regions, the hack focuses on refining nearly every aspect of the original game while preserving its classic feel.
The developer's philosophy was simple: create a ROM hack that doesn't feel like a ROM hack. Instead of filling early routes with Legendary Pokémon or drastically changing the game's progression, Soul Silver Plus carefully improves trainer battles, Pokémon availability, evolution methods, movepools, abilities, and overall game balance.
Every one of the original 493 Pokémon can be obtained without trading, making it ideal for solo players who want to complete the National Pokédex. Numerous weaker Pokémon have also received meaningful buffs, while Gym Leaders, Team Rocket executives, and other important trainers have been redesigned to provide memorable boss battles without forcing excessive level grinding.
Key Features
- Complete National Pokédex: All 493 Pokémon can be obtained in a single playthrough without requiring trades, events, or multiple game versions.
- Faithful Johto Experience: The hack intentionally preserves the feel of the original SoulSilver while improving gameplay mechanics rather than rewriting the adventure.
- Balanced Difficulty Increase: Trainer AI has been upgraded, level progression has been adjusted, and major opponents such as Gym Leaders and Team Rocket executives have significantly stronger teams that feel like proper boss encounters.
- Minimal Level Grinding: Although trainer battles are much harder, the improved level curve is designed to reduce unnecessary grinding while maintaining challenge.
- Expanded Wild Encounters: Routes feature much greater Pokémon variety, making monotype runs and unique team compositions much easier.
- Johto-Focused Encounter Design: While Pokémon from every generation appear throughout the game, Johto and Kanto species remain the most common to preserve the region's identity.
- All Trade Evolutions Removed: Every Pokémon that originally required trading now evolves through new level-based or held-item methods, allowing complete solo play.
- Alternative Evolution Methods: Numerous special evolutions have been redesigned, including Pokémon such as Steelix, Scizor, Kingdra, Porygon-Z, Slowking, Electivire, Magmortar, Leafeon, and Glaceon.
- Starter Evolution Rebalance: Starter Pokémon evolve later than normal, encouraging players to spend more time with each evolutionary stage while rewarding them with stronger movepools.
- Improved Starter Movepools: Starters learn better coverage attacks and more useful level-up moves throughout the adventure.
- Extensive Pokémon Buffs: Many underpowered Pokémon receive significant stat increases, making previously overlooked species much more viable.
- Enhanced Ledian: Ledian receives one of the largest improvements, including higher Special Attack and overall better usefulness during battles.
- Improved Ariados: Ariados becomes Bug/Dark and receives a redesigned movepool that fully supports its new typing.
- Butterfree and Beedrill Rework: Both evolution lines evolve later, receive stronger statistics, and gain improved movepools to remain competitive throughout the game.
- Charizard Type Change: Charizard becomes Fire/Dragon, giving it a completely new defensive and offensive profile.
- Numerous Ability Changes: Dozens of Pokémon receive new optional abilities, including Flash Fire, Levitate, Water Absorb, Volt Absorb, Magic Guard, Chlorophyll, Iron Fist, Solar Power, Solid Rock, Tinted Lens, Hydration, Guts, and more.
- Expanded Move Rebalancing: Numerous attacks have been redesigned to improve viability, including OHKO moves, Hyper Beam-style attacks, and elemental signature moves.
- Reworked Signature Moves: Blast Burn, Frenzy Plant, and Hydro Cannon become reliable high-powered attacks instead of recharge moves.
- Improved Battle Strategy: More opposing Pokémon carry held items, while additional trainers actively use healing items, X-items, and status recovery items to create smarter battles.
- Higher AI Levels: Many trainers utilize stronger battle AI than in the original SoulSilver, requiring better planning and team building.
- Better Wild Held Items: More Pokémon now carry useful held items, rewarding exploration and catching different species.
- Monotype-Friendly Design: Pokémon distribution encourages successful monotype playthroughs by increasing type diversity across Johto.
- Modernized Gameplay Philosophy: The overall balance resembles later-generation enhancement hacks while remaining faithful to Generation IV mechanics.
Known Bugs & Issues
The developer documented several known issues during the beta period:
- Rare Level 0 Pokémon may occasionally appear while fishing.
- Bounce may produce graphical glitches when used by the final remaining Pokémon in battle, although gameplay continues normally.
- Earlier beta versions contained corrupted level-up movesets, but these were fixed in later releases.
Because the project remained in beta, some planned areas beyond Olivine City and Cianwood City were still under development.
Screenshots
Download Links
v10b: Mediafire
Documentation
Evolution Changes
Generation I:
- Bulbasaur -(Lv.24)-> Ivysaur -(Lv.42)-> Venusaur
- Charmander -(Lv.24)-> Charmeleon -(Lv.42)-> Charizard*
- Squirtle -(Lv.24)-> Wartortle -(Lv.42)-> Blastoise
- Caterpie -(Lv.10)-> Metapod -(Lv.16)-> Butterfree**
- Weedle -(Lv.10)-> Kakuna -(Lv.16)-> Beedrill**
- Poliwag -(Lv.25)-> Poliwhirl -(Level Up holding Kings' Rock)-> Politoed
- Abra -(Lv.16)-> Kadabra -(Lv.40)-> Alakazam
- Machop -(Lv.28)-> Machoke -(Lv.40)-> Machamp
- Geodude -(Lv.25)-> Graveler -(Lv.40)-> Golem
- Slowpoke -(Level Up holding Kings' Rock)-> Slowking
- Gastly -(Lv.25)-> Haunter -(Lv.40)-> Gengar
- Onix -(Level Up holding Metal Coat)-> Steelix
- Horsea -(Lv.32)-> Seadra -(Level Up holding Dragon Scale)-> Kingdra
- Scyther -(Level Up holding Metal Coat)-> Scizor
- Electabuzz -(Level Up holding Electrizer)-> Electivire
- Magmar -(Level Up holding Magmarizer)-> Magmortar
- Eevee -(Moon Stone)-> Glaceon
- Eevee -(Sun Stone)-> Leafeon
- Porygon -(Level Up holding Up-Grade)-> Porygon2 -(Level Up holding Dubious Disc)-> Porygon-Z
Generation II:
- Chikorita -(Lv.24)-> Bayleef -(Lv.42)-> Meganium
- Cyndaquil -(Lv. 24)-> Quilava -(Lv.42)-> Typhlosion
- Totodile -(Lv.24)-> Croconaw -(Lv.42)-> Feraligatr
- Sentret -(Lv.20)-> Furret
- Hoothoot -(Lv.26)-> Noctowl***
- Ledyba -(Lv.24)-> Ledian****
- Spinarak -(Lv.27)-> Ariados****
- Mareep -(Lv.20)-> Flaafy -(Lv.40)> Ampharos
Generation III:
- Treecko -(Lv.24)-> Grovyle -(Lv.42)-> Sceptile
- Torchic -(Lv.24)-> Combusken -(Lv.42)-> Blaziken
- Mudkip -(Lv.24)-> Marshtomp -(Lv.42)-> Swampert
- Generation IV
- Turtwig -(Lv.24)-> Grotle -(Lv.42)-> Torterra
- Chimchar -(Lv.24)-> Monferno -(Lv.42)-> Infernape
- Piplup -(Lv.24)-> Prinplup -(Lv.42)-> Empoleon
- *Charizard is now Fire/Dragon
- **Weedle/Caterpie have had an increase to stats and the ability to learn a few more moves, Kakuna and Metapod can learn more moves and have their pre-evolutions' attacking moves as base moves now. Butterfree and Beedrill have had a large increase to some base stats, and they evolve later to make up for that.
- ***Noctowl has been buffed and now actually has SpA. The movepool of both Hoothoot and Noctowl provides constant access to special Flying STAB, starting with Gust instead of Peck and moving from there.
- ****Ledian and Ariados have both had their base stats increased, especially Ledian. Ledian now actually has some SpA to speak of and isn't a total loser. Ariados is also now Bug/Dark and its movepool now reflects this, giving constant access to Dark STAB.
New Alternate Abilities!
Generation I:
- Bulbasaur/Ivysaur/Venusaur - Overgrow OR Solar Power
- Charmander/Charmelon/Charizard - Blaze OR Flash Fire (Flash Fire turns into Levitate on Charizard)
- Squirtle/Wartortle/Blastoise - Torrent OR Shell Armor
- Rattata/Raticate - Gluttony OR Guts
- Spearow/Fearow - Intimidate OR Keen Eye
- Vulpix/Ninetales - Flash Fire OR Super Luck
- Geodude/Graveler/Golem - Rock Head OR Solid Rock
- Doduo/Dodrio - Tangled Feet OR Early Bird
Generation II:
- Sentret/Furret - Cute Charm OR Hustle
- Ledyba/Ledian - Swarm OR Tinted Lens
- Mareep/Flaafy/Ampharos - Static OR Volt Absorb
- Slowking - Magic Guard OR Own Tempo
- Forretress- Heatproof and Sturdy
Generation III:
- Treecko/Grovyle/Sceptile - Overgrow OR Chlorophyll
- Torchic/Combusken/Blaziken - Blaze OR Guts
- Mudkip/Marshtomp/Swampert - Torrent OR Water Absorb
Generation IV:
- Turtwig/Grotle/Torterra - Overgrow OR Solid Rock
- Chimchar/Monferno/Infernape - Blaze ORIron Fist
- Piplup/Prinplup/Empoleon - Torrent OR Hydration
Developer Information
Developer / Team: RyouChan
Credits:
Testing Platforms: SuperCard DS Two, DeSmuME, and NO$GBA.
Tools Used:
- PPRE
- xDelta GUI
- NitroExplorer
- Attack Editor DP
- thenewpoketext
- Hex Editor
Source & References
Official Thread / Website: ProjectPokemon
Frequently Asked Questions
Q: What makes Pokémon Soul Silver Plus different from other SoulSilver ROM hacks?
A: It focuses on improving gameplay while keeping the original Johto experience intact instead of dramatically changing the story or adding excessive custom content.
Q: Is the ROM hack finished?
A: No. The latest available version is Beta v10, which covers content through Olivine City and Cianwood City while leaving later portions unfinished.
Q: Who is this ROM hack for?
A: Pokémon Soul Silver Plus is an excellent choice for players who enjoy faithful enhancement hacks, want a more challenging Johto adventure, prefer completing the Pokédex without trading, and appreciate carefully balanced gameplay improvements rather than major story changes.
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