Pokemon Patched Crystal ROM

Pokemon Patched Crystal is a GBC ROM Hack by UberMedic7 of Pokemon Crystal in English. It was last updated on March 27, 2025.

Description

Pokemon Crystal is a great game, but sadly, it suffers from bugs and inaccuracies that are hard to notice initially. This hack fixes them but still retain the original feel and content of the game, which means this hack is more of a “patch” rather than a completely new game.

Features

• The entirety of bugs have been fixed
• Capture all 251 Pokémon, no trading with friends required
• Adjusted Time System, no longer will you have short mornings or long nights
• Celebi event restored, no more scrambled eggs
• Infinite use TMs, a collector’s dream
• Move Reminder to teach your Pokémon forgotten moves
• All Gym Leaders are available for a rematch, think you can win again?
• Extra Trainer Card page for Kanto badges and all 16 badges are now in color!
• Shiny variant display on Pokédex entries by pressing SELECT
• Easily change the time by pressing DOWN + B on the title screen

Changelog

V3.13b

• Tweaked encounter rates of certain Pokemon – subject to change
• You can now change the in-game time by pressing A while on the Pokegear Calendar menu
• The Title Screen method still remains

V3.13a

• The “CREDITS” selection on the main menu is now the “ABOUT” selection
• Yet more proofreading on Gym Leader dialog
• Updated the outdoor sprite system to prevent incorrect NPC sprites in the overworld

V3.13

• The move tutor in Goldenrod City now also appears every Monday
• After encountering the legendary beasts at the Burnt Tower, Entei and Raikou are registered as SEEN on the Pokedex
• Fixed a bug where getting a Mystery Gift from Carrie would lock you out of your daily entry in Buena’s Password and vice versa
• The morning time of day uses its own icon for being indicated on the battle menu
• The levels of teams regular trainers use in rematches after you complete the Power Plant quest now match the highest possible based on the remakes

Useful Links

Discord

Github