Pokemon Undercover

Pokemon Undercover

Download Pre-Patched Pokemon Undercover GBA Rom

  • Creator: Charizard203
  • Version: Beta 1.3.1
  • Hack of: FireRed
  • Updated: March 21, 2018
  • Status: 60.2%
  • Bug/Glitches Fixed: 85%

Pokemon Undercover is a Pokemon GBA Rom Hack by Charizard203 based on Pokemon Fire Red Codebase/Engine in English. And It is now available to download. It was last updated on March 21, 2018.

Also, be sure to try out Pokemon Rocket Science


Essentially, the plot kicks off with your assignment to Kanto for a unique undercover mission. Professor Oak briefs you on the mission, explaining that both you and your partner (rival in other games) have been dispatched to acquire your initial Pokémon. Your mission is to seamlessly integrate into the role of an ordinary Pokémon Trainer, uncover Team Rocket’s scheme, and thwart their plans – that’s the primary goal.

Meanwhile, your secondary objective is to pursue the traditional path of becoming a Champion, akin to the objectives in other games.


  • All Elite 4 have 6 Pokemon in their rematch stages.
  • Rematch with gym leaders
  • Tohjo Falls has been added. (Tohjo Falls is next to the First Entrance of the Pokemon League)
  • May gives you the running shoes in Pallet Town.
  • Mirage Cave is right of the Tanoby Key. (Mirage Cave gives you access to event locations)
  • All starters are at Tohjo Falls are Level 20-40 (Johto and Kanto are more likely to because it’s between Johto and Kanto)
  • Starters are available from specific NPCs.
  • Pokemon no longer have CAPS’ed names
  • Nidoqueen can breed like it’s Nidoran Form.
  • Red, Green, Blue, Ruby, and Sapphire are battlable. (Adventures Characters Translation Names).
  • You may battle Prof. Oak the same place where you battle Red, Green, BlLue, Ruby, and Sapphire.
  • You can get Mart Items at all Marts depending on your badge case
  • You can get all TMs at the Department Store after defeating someone.
  • You can JUST reach the Johto Region.
  • Route 26 and 27 have been added.
  • Trade Evolutions have had another way to evolve into the same Pokemon.

List of Changed Added Evolutions

  • Kadabra-Trade to Alakazam, Sun Stone to Alakazam
  • Machoke-Trade to Machamp, Level 36 to Machamp
  • Graveler-Trade to Golem, Level 36 to Golem
  • Haunter-Trade to Gengar, Moon Stone to Gengar
  • Slowpoke-Level 37 to Slowbro, (Level Up with) King’s Rock to Slowking
  • Poliwhirl-Water Stone to Poliwrath, (Level Up with) King’s Rock to Politoed
  • Onix-(Level Up with) Metal Coat to Steelix (next BETA)
  • Scyther-(Level Up with) Metal Coat to Scizor (don’t worry it’s this one)
  • Eevee-Thunder Stone to Jolteon, Fire Stone to Flareon, Water Stone to Vaporeon, Sun Stone to Espeon, Moon Stone to Umbreon
  • Porygon-(Level Up with) Up-Grade
  • Seadra-(Level Up With) DragonScale
  • Wurmple-Level 7 to Silcoon, (Level Up with) Pokeball to Cascoon
  • Feebas-Level 20 to Milotic
  • Clamperl-(Level Up with) Deepseatooth to Huntail, (Level Up with) Deepseascale to Gorebyss