Using Action Replay codes in Pokemon Black Version allows players to bypass the traditional grind, whether you are looking for an infinite supply of Rare Candies to level up your team or seeking Master Balls to catch elusive Legendaries. These codes modify the game's memory to unlock items, increase movement speed, or even force Shiny encounters.

To use these codes effectively, you can apply them either on original Nintendo DS hardware using a physical Action Replay cartridge or through popular emulators like DraStic, melonDS, and RetroArch.

Essential Precautions Before Using Cheats

Before entering any hexadecimal codes, it is crucial to understand the risks involved in memory modification.

  • Create a Save Backup: This is the most important step. Cheats that modify the bag or Pokedex can occasionally corrupt save data. Always copy your .sav file or create an emulator save state before activating codes.
  • Version and Region Matching: Codes are often region-specific (e.g., North American vs. European versions). Using a US code on a European ROM might lead to game freezes or "Blue Screens" within the game.
  • Avoid Overloading: Do not activate dozens of codes simultaneously. This can cause the game’s engine to crash during transition screens or battle animations.

How to Input Action Replay Codes

The method of activation depends on your platform. Most modern setups no longer require the manual typing of "Master Codes," but original hardware still might.

Using Cheats on Emulators (DraStic/melonDS)

  1. Launch your Pokemon Black ROM.
  2. Access the Menu and select Cheats.
  3. Choose Add New Cheat or Custom Cheat.
  4. Copy and paste the hexadecimal code provided in the sections below.
  5. Save and enable the cheat. Most codes require a "trigger" like pressing L+R or SELECT inside the game to appear.

Using Cheats on Original Nintendo DS Hardware

  1. Insert your Action Replay cartridge into the DS, then insert the Pokemon Black game into the AR slot.
  2. Boot the AR menu and find Pokemon Black in the game list (or add it via Game ID: IRBJ B39DB08A).
  3. Manually enter the codes. Ensure the "Master Code" (M) is enabled; otherwise, the device cannot bypass the game's security.

Top Action Replay Codes for Pokemon Black

The following codes have been tested and verified for the standard English version of Pokemon Black.

999x Master Balls (Slot 1)

This code replaces the item in the first slot of your "Items" pocket with 999 Master Balls. Press L+R to activate.