Pokemon Extreme Yellow (v1.3) GBC Rom Hack

Pokemon Extreme Yellow is a GBC Rom Hack made by Rainbow Metal Pigeon. Experience the Kanto region like never before with increased difficulty, challenging dungeons, new areas to discover, fresh storyline, and much more!

Pokemon Extreme Yellow GBA Rom Hack

Author: Rainbow Metal Pigeon
Hack Off: Yellow
Language: English
Latest Version: v1.3
Updated on: October 25, 2024
Status: Completed

Description

Kanto at its max (and beyond!)

Pokemon Extreme Yellow is a difficulty romhack of Pokemon Yellow featuring much tougher battles, complex dungeons, restored content, more elaborated, deeper, and darker lore and story, completely new areas and story arcs, virtually infinite post-game content, a plethora of customization and randomization options.

Features

More than 50 new mons evolutionarily related to the original 151
100 famous attacks coming from later generations
All pokemon can be caught (a living dex can be completed)
Gym leaders, elite 4, and rival have improved full team of 6 with customized movesets
Opponents are stronger than ever, with max dvs and stat exp (ivs and evs)
Opponent ai is drastically improved
Shiny make their appearance with dynamic probabilities and safety net
Expanded backstory and deeper psychology for the main characters
Two whole new cities
Two new main game arcs
Secret and post-game new areas, including a battle facility with a never-seen-before challenge mode
Multiple optional subquests
Various improvements to existing buildings and areas
Multiple final secret bosses and extended post-game experience
Powered-up rematches against main trainers
Inverse battles make their appearance for selected trainers
Many quality-of-life improvements: non-binary gender selection; portable pc; attackdex; less dead times; modern-like usage of hms; and more
Adaptive gyms: gym battles scale with the number of badges you own; combined with the removal of some roadbloacks, this allows to face the gyms in almost any desired order
Multiple game difficulty options (exp/stats gain, badge boost, level scaling, battle luck)
Various randomization options (wild encounters, trainers’ teams, items, type chart)
Customization options (some pokemon can have their types changed for extra variety)
Implemented heavy ball and fast ball
Improved safari zone experience
Improved gui for move info box
Tms can be bought infinitely at any mart after they have been acquired once
Move relearner and move deleter
Mid-battle evolution, to live the experience of the anime with epic clutch last-second deus ex machina
Obedience mechanic has been reworked to apply to all pokemon, even the one caught by the player, with tighter level caps
Cities have been lightly reworked to improve walkability
Widened the experience with the starter pikachu

More changes (WARNING! CONTAINS SPOILERS!)

Mega evolution appears as permanent evolution in extreme yellow
The legendary birds are unlocked after completing three special subquests
An npc that appears randomly in any city after besting the league, and is in search of the final member of their ultimate interdimensional team
The author themeselves (yes, me!) makes an appearance as a fightable post-league boss
The so-long-sought super fusion venustoise is finally catchable
Celadon hotel has available rooms
A whole-new location, the lunar temple, will play a key role in the main plot
Mt moon has been expanded to be part again of the main plot with a new, much harder maze
Stater pikachu obedience is based on happiness rather than level and number of badges, and at high happiness it will gain extra power
A light ball is hidden in the region, doubling the damage of the starter pikachu
Pikachu can surf and fly, and it has custom animations and sprites
Possibility to surrender in trainer battles
Multiple rumors and urban legends have been merged to create the ultimate end-game maze…

Changelog v1.3

Added a Cheat Candy item in the player’s PC that acts as a Rare Candy which doesn’t get consumed upon usage, to offer an option to players who don’t want to grind their levels up
improved Altered Types (previously “New”) description, added spoilerless info on all modified typings, and updated Dewgong from Water/Fairy to Ice/Fairy
item randomization has been improved: drinks cannot be found anymore as pick-up items, and some other key items cannot be substituted with different ones
fixed a bug that showed the wrong information when teaching a move via TM
fixed a bug that prevented Slowpoke from evolving into Slowking
fixed a bug that froze the game if one accessed Route 22 after defeating Brock and before reaching Cerulean
fixed a bug in the Secluded Atoll map
adjusted learnsets for Charmander and Oddish lines
moved Cerulean Jenny to prevent softlocking
improved the switch AI to prevent infinite switching
fixed a bug with the sight length of trainers in the Saffron Dojo
fixed a collision bug that allowed players to go out-of-bound in Route 8 and crash the game
fixed a number of typos

Known Glitches Version 1.3

The intro page of the surfing minigame has a random unwanted tile
after playing the surfing minigame, the surf enthusiast disappears. It re-appears upon exiting and re-entering the building
when using the Portable PC, some tiles may be glitched, specifically the one representing the level of the Pokémon
when using the Item Randomization option, the TMs available in the Marts will not correspond to the ones you actually picked up