Pokemon Sirius GBA ROM – Detailed Hack Overview
Game Information
Table Of Contents
About This ROM Hack
Pokémon Altair and Pokémon Sirius are paired GBA ROM hacks that act as a story-driven sequel to Pokémon Emerald, set in a heavily altered Hoenn region following a catastrophic meteor impact.
These hacks are best known for:
- Introducing Meteoric Pokémon, an early form of Fakemon
- A dark, complex narrative involving mind control, artificial Pokémon, and moral ambiguity
- Serving as the narrative foundation for Pokémon Vega
Altair and Sirius function similarly to official paired versions, with minor version differences in Pokémon availability and select events.
Story Overview
Three years after Champion Brendan’s retirement, Hoenn is devastated by a meteor disaster known as the Hoenn Catastrophe. Much of southern Hoenn becomes a wasteland, the Battle Frontier is destroyed, and many Pokémon species go extinct. In their place, mysterious Meteoric Pokémon begin appearing.
The player moves to Littleroot Town and is tasked by Professor Birch with completing the Pokédex to document these new species. Along the journey, you encounter:
- Team BH (Black Hole), led by Wallace, seeking world harmony through absolute control
- Team WH (White Hole), led by Steven, opposing BH but later revealed to have their own sinister agenda
- Aldina, an artificial Pokémon created through unethical experimentation
- Nemea, a powerful Meteoric Pokémon capable of mind control
As legendary Pokémon awaken and Hoenn faces destruction once more, the player uncovers the truth behind the catastrophe, defeats the Pokémon League, and eventually travels to Alto Mare, a city inspired by Pokémon Heroes. The story concludes with the player returning home, setting the stage for the events of Pokémon Vega.
Key Features
- Sequel-Style Story: Takes place after Pokémon Emerald with returning characters.
- Meteoric Pokémon: Original Fakemon tied directly to the plot.
- Paired Versions: Altair and Sirius feature version-exclusive Pokémon and minor differences.
- Dark Narrative Themes: Mind control, experimentation, identity, and loss.
- Artificial Pokémon Concept: Central plot involving Aldina.
- Reworked Hoenn Region: Altered geography reflecting the meteor disaster.
- Extended Post-Game: Includes Alto Mare, optional Gym, and secret ruins.
- Legendary Pokémon as Story Elements: Not treated as simple collectibles.
- Foundation for Pokémon Vega: Directly connects to later series entries.
Known Bugs & Issues
- Occasional scripting glitches typical of early-generation hacks
- Inconsistent difficulty balance in mid-to-late game
- Limited in-game documentation
- Some mechanics may feel dated compared to modern hacks
Download Links
Documentation
Pokémon Altair & Pokémon Sirius Walkthrough
Developer Information
Developer / Team: Pokemon Vega Team
Credits:
Frequently Asked Questions
Q: Are Pokémon Altair and Sirius finished?
A: Yes. They are completed legacy hacks and are no longer in development.
Q: Are they remakes of Pokémon Emerald?
A: No. They are story sequels set after Emerald.
Q: What is the difference between Altair and Sirius?
A: Minor version-exclusive Pokémon and small event variations.
Q: Are these connected to Pokémon Vega?
A: Yes. Vega is a direct sequel.
Q: Do these games contain Fakemon?
A: Yes. Meteoric Pokémon are original creations.
Q: Are they beginner-friendly?
A: Not entirely. The story and mechanics assume familiarity with Pokémon.
How to Play
Requirements
- A Game Boy Advance emulator
- A compatible ROM base
- Patch file (IPS / UPS / BPS)
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