Pokemon Sister Version GB ROM – Detailed Hack Overview
Game Information
Table Of Contents
About This ROM Hack
Pokémon Sister Version is a small-scale Generation I ROM hack focused on presentation and narrative perspective rather than gameplay overhaul. The hack replaces the male protagonist and rival with female counterparts while preserving the original Pokémon Blue story, mechanics, and balance.
The goal of the project is to explore how Pokémon Red/Blue might feel if the player character and rival were female, while keeping the experience authentic to the era and tone of early Pokémon games.
Story Overview
The core storyline remains unchanged from Pokémon Blue. You begin your journey in Pallet Town, receive your starter Pokémon, challenge Gym Leaders across Kanto, confront Team Rocket, and ultimately aim to become the Pokémon League Champion.
Story adjustments are subtle and mostly contextual, reflecting the player’s gender through dialogue and character placement rather than altering major plot events.
Key Features
- Female Protagonist Sprite: The player character sprite has been replaced with a female counterpart while maintaining the original Gen 1 visual style.
- Female Rival Character: The traditional male rival is replaced with a female rival who fills a modified narrative role.
- Dialogue Adjustments: NPC dialogue has been lightly edited to acknowledge the player as female, including intentional period-accurate remarks reflecting Gen 1 worldbuilding.
- Rival Role Swap: Green (male) and Daisy swap roles, resulting in a kinder rival personality with a narrative twist.
- Fixed Rival Starter Choice: The rival always uses Clefairy as her starter Pokémon, while the player retains access to the original three starters.
- Alternate Family Setup: Red appears as the player’s younger brother at home instead of the original mother NPC.
- Modified Music Tracks: The opening theme uses a different duty cycle, and the rival battle theme is replaced with a Pokémon Lullaby–inspired track from GSC.
- Faithful Gameplay: All core mechanics, battles, encounters, and progression remain identical to Pokémon Blue.
Known Bugs & Issues
- No major known bugs reported at the time of release
- Minor dialogue quirks may exist due to text edits
- Users are encouraged to report any graphical or text-related issues
Download Links
Download: Mediafire
Developer Information
Developer / Team: SlaySlaySl
Source & References
Official Thread / Website: pokecommunity
Frequently Asked Questions
Q: Does this hack change gameplay or difficulty?A: No. Pokémon Sister Version keeps all gameplay mechanics identical to Pokémon Blue.
Q: Are there new Pokémon or moves?
A: No. The Pokédex, movesets, and battle system are unchanged.
Q: Why does the rival always use Clefairy?
A: This is a deliberate narrative choice tied to the rival’s rewritten role.
Q: Is the dialogue intentionally awkward or dated in places?
A: Yes. Some dialogue was written to reflect the Gen 1 era and its in-world perception of female trainers.
Q: Can I play this on original hardware?
A: Yes, via flash cartridges compatible with Game Boy games.
Q: Are there plans for updates?
A: No updates have been announced.
How to Play
Requirements
- A Game Boy or Game Boy Color emulator
- A compatible Pokémon Blue (US) ROM
- IPS patch file
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