Overview
A QoL-focused enhancement hack for Pokémon Black, featuring Gen‑5 aesthetic tweaks, new moves, rebalanced trainers, updated wild encounters, and post‑game expansion—all while keeping the core story intact.
Game Details
Developers: EstrethAthema
Base Game: Black
Base Game Version: Pokémon Black (E)
Platforms: NDS
Game Info
Release Date: May 1, 2024
Updated: June 28, 2025
Status: Beta
Version: v1.4
Trailer
No trailer available.
Features
Expanded wild Pokémon variety across Unova with improved encounter diversity and earlier access to several species.
Main story restricted to Gen 5 Pokémon; older-gen Pokémon and mythicals like Zekrom are post-game only or unobtainable.
All Pokémon have updated learnsets including future-gen moves, tutor moves, egg moves, and new additions like Blaze Kick for Zebstrika.
Trainer and boss rosters revamped for increased difficulty while preserving Gen 5’s feel.
Accessible Heart Scales for move relearning (50% held item chance from Alomomola, Stadium rewards).
New NPCs provide powerful items during the story (e.g., Muscle Band, Leftovers, Flamethrower).
All Gym Leaders are available for one-time post-game rematches, including the Striaton trio and Iris.
Bonus developer and NPC battles in Shopping Mall Nine (post-game).
Challenger’s Cave and Dreamyard Basement unlock early with valuable items like TM13 Ice Beam and Life Orb.
TM/item placements adjusted for smoother gameplay progression.
Royal Unova event rewards overhauled (e.g., Focus Sash, Toxic Orb, Rare Candies).
Berry merchants added to multiple towns for bulk item purchases.
Reusable TMs, deletable HMs, BW-style Repel system, new move animations, and polish across the board.
Includes optional Hardcore Nuzlocke support with defined level caps and balanced grinding.
Post-Game Content
Expanded post‑game challenges and trainers
Changelogs
1.4
- Updated teams for Biker Morgann and Jeremy on Tubeline Bridge.
- Mienfoo added to Outer Pinwheel Forest (Shaking Grass); Area Dex updated.
- Ace Trainer Dheku's Victory Road team updated.
- Fixed learnsets for Vanillite and Vanillish to properly learn Autotomize.
- Added Berry merchants to various towns with unique berry types.
- Natural Gift added to multiple Pokémon learnsets.
- New move animations added for Power-Up Punch, Infernal Parade, Boomburst, and others.
1.3
- Updated Area Dex data for Pokémon locations.
- Volcarona now correctly learns TM24 Thunderbolt.
- Bianca’s Pignite updated with Power-Up Punch.
- Trainer rosters corrected for several NPCs like Scientist Shannon and Draco.
- Ducklett and Swanna now learn Aqua Jet; Swanna’s base Attack and Sp. Atk increased by 2.
- Zorua and Zoroark had level-up moves adjusted.
- Meloetta’s learnset adjusted for post-game events.
- Golem can now learn TM01 Hone Claws.
- Seed Flare and Magma Storm modified and added to more Pokémon.
- Zoroark post-game event added in Lostlorn Forest.
- Liberty Garden event re-enabled to allow Victini to be caught post-game.
1.2
- Juniper now gives custom intro dialogue after patching.
- Removed time restrictions for certain evolution methods.
- Deino line evolution levels changed to 40 and 58.
- Boomburst move added; learnsets and trainer rosters updated.
- Fixed move description for Submission.
- Starters updated with JetBlack 2 move changes.
- Fixed event bug with Hoopster Bobby.
- HMs are now deletable.
1.1
- Cleaned up documentation and corrected Skyla's level cap.
- Fixed crash caused by Baker Chris.
- Updated post-game trainers in Nimbasa City Stadiums.
- Royal Unova event revamped with updated trainer teams and rewards.
- Black City trainers updated with full 6-Pokémon teams.
- Luxray now correctly has Guts instead of Rivalry.
Screenshots
No additional screenshots available.
Additional Resources
Explore More
View Cheats for Pokémon JetBlackOfficial Sources
PokéCommunity introduction thread by EstrethReddit announcement for JetBlackReddit v1.4 release announcementAll ROM hacks featured here are credited to their original creators. If you are a creator and wish to update, add, or remove your content, please contact us.
Main Developers
EstrethAthema
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