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Pokemon PureGreen

Hack of Pokémon: Blue Version

Description:

Make sure to use Pokémon Blue’s English version as the source file before patching.

This is a purist’s enhancement of Pokémon Red/Blue/Green. The goal is to enhance the original games for excellent replayability without bringing in mechanics, moves, sprites, visuals, type matchups, or Pokémon that were introduced in later games. The 2.0 version is based on the disassembly and has hundreds of new optional features / fixes!

  • It makes the bulk of the 151 original Pokémon all more obtainable and usable in the early game, with better movesets and more balanced stats.
  • Many moves in the game were rebalanced or modified. When the author says “rebalanced”, they mean “the useless things were made more useful!”
  • There are more bug, poison, and ghost type moves available. The focus is on getting a useful set of moves available for every single Pokémon in the game.
  • Front sprites were updated to be just about the best set of sprites from Red/Green/Blue/Spaceworld 1997 overall.
  • All 151 Pokémon are obtainable in all versions of this hack.
  • Many small quality-of-life tweaks and bugfixes were made.
  • Game bugs that can be used to your own advantage (like the leech seed/toxic bug, the hyper beam no recharge on faint bug, etc.) are unchanged, because they are quirks of the battle engine that you can use as your own tool.
  • Mew is under the truck as expected!
  • Missingno and the item duplication glitch are intact - but won’t corrupt your save anymore!
  • Many options to enhance the game visually and mechanically were added. **(You must turn them on via the options in-game!)** Including:
  • Switchable color palettes (Choose between original colors, Super Gameboy Colors, or Pokémon Yellow Colors in-game whenever you like! Works on GBC and Super Gameboy. Yes, this romhack has GBC support!)
  • Optional Spaceworld 1997 Back Sprites
  • Optional enhanced menu sprites/overworld icons
  • Optional stereo panned audio (Similar to the Earphone1 option in Pokémon Yellow)
  • Optional alternate color palette Pokémon based on region (catch differently colored Pokémon depending on where they appear in Kanto)
  • Option to turn off the bicycle song (plays in cycling road still)
  • Tweak the type matchups to be exactly like gen 1, gen 2, or a cross between them if you like directly in-game.
  • Optional in-battle experience bar
  • Option to give trainers some Stat EXP to their Pokémon based on level. Makes the game a little bit harder.
  • If you’re playing on GBC and have the palettes set to SGB or GBC mode, move animations will have colors! Surf will be blue, ember will be red, etc.
  • There are a couple entirely new things added into the game to facilitate quality of life fixes. Including:
  • An NPC who can permanently remove CUT trees.
  • An NPC who can revive fossils for you in SAFFRON CITY so you can get fossil Pokémon a bit earlier.
  • An NPC who will give you LAPRAS a bit earlier in the game.

Although there are 3 versions of this hack for Red, Blue, and Green, they only differ in title screen/intro visuals. Whatever color you like best is the one you should use!

v2.0.1 bugfix: prevents stone evos from evolving erroneously in some cases

v2.0.2 minor change: each badge up to the marshbadge will increase the traded pokemon disobedience threshold by 10 levels instead of every second badge increasing by 20. Makes using NPC-traded pokemon less of a pain during a playthrough.

v2.0.3 minor change: missingno’s type changed from NORMAL to GHOST/NORMAL

v2.0.4 bugfix: fighting dojo door should lead to the fighting dojo instead of saffron gym (this was a change the author purposefully made for testing while working on the code, and they forgot to change it back. Whoops!)

v2.0.5 bugfix: when using the change box from start menu functionality and changing boxes successfully, talking to NPCs would break until reloading the map: this could probably cause other issues by talking to broken NPCs. Now this is fixed and there is no issue talking to NPCs after.

v2.0.6 bugfix: good rod displays “not even a nibble!” when failing now as expected. Also improve the “evolution then learn moves” bug fix code.

v2.0.7 bugfix: fix glitch when picking up an item ball with full items. minor change: there’s a PC in the daycare now.

v2.0.8 bugfix: fix layouts of route 12 fishing guru house and vermilion fishing guru house (they used the daycare layout which was changed to have a PC in v2.0.7 …so they needed to be changed back to their original layout)

v2.0.9 bugfix: menu scrolling was slightly enhanced with an enhancement from pokemon yellow. Less likely to accidentally select the wrong menu item while scrolling down or up.

ROM / ISO Information:

  • Database match: Pokemon - Blue Version (USA, Europe) (SGB Enhanced)
  • Database: No-Intro: Game Boy/Color (v. 20210227-015730)
  • File/ROM SHA-1: D7037C83E1AE5B39BDE3C30787637BA1D4C48CE2
  • File/ROM CRC32: D6DA8A1A

Links:

Screenshots:


Credits:

Credits
ContributorType of contributionListed credit
VortieneHackingCreator
Danny-E 33ProductionLarger backsprite code and EXP bar code snippets, direct support for audio code and rgbasm/gbz80
jojobear13Productionshinpokered romhack codebase snippets, direct support on pokemon yellow color porting
mechanicalpenProductionenhanced menu icons code snippets
pretOriginal Workpret discord and pret in general for making the pokered disassembly

User Review Information

Awesome hack with some unusual changes

Reviewed By: TrickyAudin on 22 Sep 2022

As the description for the hack suggests, this is mostly a “purist” enhancement of the original games, staying pretty true to formula with common-sense enhancements. Some of these adjustments include significantly earlier fossil Pokémon, better trainer AI, and fairly tame rebalancing (mostly in making lackluster Pokémon better).

The author does take some liberties that I wouldn’t consider purist such as adding new moves and adjusting some of the Pokémon’s types, but for the most part I think they were good additions anyways to make the game more interesting. I think the new or adjusted attacks, while “impure”, are especially welcome in improving very lackluster offensive types (Ghost and Dragon mainly) while also making some move types much more accessible (Bug, primarily). There are also minor adjustments to NPCs and even a couple new minor areas, but nothing too drastic.

Overall, this may be my go-to way of reliving R/G/B in the future. In many ways, it feels like what gen. 1 would’ve been if it was Gamefreak’s second set of games instead.

Version 2.0.9 Recommended - Yes

User Reviews
HeadlineAuthorDateVersionRecommend
Awesome hack with some unusual changesTrickyAudin22 Sep 20222.0.9Yes
Excellent!Echoherb25 Aug 20222.05Yes
Interesting but Too WeirdDoomSwell04 May 20221.1No