Pokemon Space World Crystal GBC ROM Hack – Detailed Game Overview
Game Information
Table Of Contents
About This ROM Hack
Space World Crystal is a fan-made ROM hack of Pokémon Crystal that reimagines what could have been seen in the 1997 Space World demo for Gold and Silver. Rather than recreating the entire game or region, this hack focuses on the Pokémon aspect, featuring prototype Pokémon, unique sprites, and movesets from the demo.
It serves as a playable snapshot of the Space World demo and allows fans to experience Pokémon as they appeared during the development of Gold and Silver.
Story Overview
This hack does not introduce a completely new story. Players experience the standard Crystal storyline, but with the addition of Space World demo Pokémon integrated throughout the game. Trainer rosters, wild encounters, and evolutions have been updated to incorporate these prototype Pokémon while maintaining compatibility with the original Crystal narrative.
Key Features
- Fully playable version of Crystal, from start to finish
- Includes Pokémon from the 1997 Space World demo for Gold and Silver
- All sprites are authentic to the Space World demo
- New cries for all prototype Pokémon
- Updated base stats and movesets for demo Pokémon
- Familiar Pokémon redesigned to match their demo incarnation
- All demo Pokémon available in the wild and evolvable
- Updated trainer rosters and in-game events to include demo Pokémon
- Fixed Mew appearance issue after defeating Mewtwo
- Bug Catching Contest now awards a Poison Stone instead of Sun Stone
- Odd Egg can now be Shiny
- Transformed Pokémon no longer revert to Ditto when caught
- The Pokédex can now be completed in a single game, with new areas for demo Pokémon
- Pokémon sprites now fade out properly
- Bike speed increased (running speed unchanged)
- Shiny odds now calculated like in the prototype
- Fixed Giga Training script bug
- Fixed Pokedex height unit conversion and order issues
- Corrected Lykwyse breeding behavior and gender ratio
- Fixed level-up moves for Ampharos and text issues referencing removed Pokémon
Known Bugs & Issues
- Some minor bugs from earlier beta releases may persist
- The hack does not aim to recreate the full Space World demo region
- Certain prototype mechanics are experimental and may have edge-case issues
Screenshots



Download Links
Developer Information
Developer / Team: The Shadow Knight
Credits:
- Contributors who unearthed Space World demos
- Maintainers of the pret/pokecrystal disassembly
- Creators and maintainers of Polished Map
Source & References
Official Thread / Website: pokecommunity
Frequently Asked Questions
Q: Does this hack recreate the full Space World demo?A: No, it focuses solely on Pokémon from the demo.
A: Yes, they are available in the wild or through evolution.
Q: Are there new moves or cries for demo Pokémon?
A: Yes, all demo Pokémon have new cries, movesets, and updated base stats.
How to Play
Requirements
- A Game Boy Color or compatible emulator
- A Pokémon Crystal ROM base
- Patch file (IPS / UPS / BPS)
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