Pokemon Definitive HeartGold is a Completed NDS Rom Hack made by BigNation. Explore a polished HeartGold ROM hack delivering the definitive Johto and Kanto experience with modern quality-of-life improvements.
Pokemon Definitive HeartGold Completed NDS Rom Hack
- Author: BigNation
- Hack Off: HeartGold
- Language: English
- Released on: December 20, 2025
- Latest Version: v1.0
- Status: Completed
Description
Pokemon Definitive HeartGold is a ROM hack of Pokemon HeartGold made to give players a smoother and more enjoyable experience. It stays true to the original game while removing annoying limitations and adding helpful quality-of-life changes.
This version is designed for casual players and covers both Johto and Kanto. After over 1.5 years of solo development, this project aims to be the best way to experience HeartGold without unnecessary frustration.
Below is a list of what has been changed and improved in the game.
Features
Quality of Life Improvements
- Reusable Repels
- Infinite-use TMs
- HMs can be forgotten
- Eggs hatch faster
- Nature descriptions shown in the Pokémon summary
- Free Move Tutors
- Free Move Relearner
- No poison damage while walking
- IV and EV checker in the summary screen (press R)
- Instant full party healing
- Rare Candies work like Gen 5 (won’t return to the bag if a Pokémon evolves)
Gameplay Convenience
- Kurt makes Poké Balls instantly (no waiting 24 hours)
- Friendship evolutions happen after leveling up once
- Trade evolutions occur at level 36
- Held-item trade evolutions happen after leveling up once
- Day and night requirements removed
Evolution Changes
- Eevee evolves into Leafeon with a Leaf Stone
- Eevee evolves into Glaceon with a Dawn Stone
- Magneton and Nosepass evolve with a Thunderstone
- Feebas evolves with a Water Stone
Content and Exploration
- All 493 Pokémon are obtainable
- New story content in both the main game and post-game
- New areas and additions to existing locations
- New in-game events for Mythical and Legendary Pokémon
- A new character who gives out starter Pokémon
- Coach Trainers reward TMs when defeated
World and Trainer Changes
- Many unnecessary HM obstacles removed
- Flash is no longer required in most caves
- Fewer NPC phone number exchanges (only important ones remain)
- More varied wild Pokémon encounters in all areas
- Trainer teams have been improved and scale better as the game progresses
Balance and Difficulty
- Pokémon stats, typings, and movepools remain unchanged
- More challenging than vanilla HeartGold, but not overly difficult
- Pokédex wild encounter locations may be inaccurate (use the provided spreadsheet)
Screenshots
Release Trailer
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