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Tech riderRev. 8 Oct 2026

Universal Pokémon Randomizer ZX

Ch 077.0of 24 Game Randomizer Tools
  1. 1Runs onLinux, Mac, Windows
  2. 2CostsFree plan
  3. 3Randomization scopemulti-scope
  4. 4Supported platformsWindows, macOS, Linux/Unix; Nintendo handheld game ROMs including 3DS
  5. 5Seed sharingYes
  6. 6Customization leveladvanced
6 lines stated Written from the maker's own pages: github.com
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The Universal Pokémon Randomizer ZX homepage

Overview

Universal Pokémon Randomizer ZX is ranked #7 of 24 in game randomizer tools on Specifiction. It runs on Linux, macOS, Windows. There is a free plan.

Universal Pokémon Randomizer ZX plans and pricing

All plans
Universal Pokemon Randomizer ZX Free Downloadable desktop randomizer · source code available under GPL-3.0 github.com · 8 Oct 2026

Compared on game randomizer tools

Free plan
Yesgithub.com
Randomization scope
multi-scopegithub.com
Supported platforms
Windows, macOS, Linux/Unix; Nintendo handheld game ROMs including 3DSgithub.com
Seed sharing
Yesgithub.com
Customization level
advancedgithub.com

Facts

Purpose
Universal Pokemon Randomizer ZX is a fork of the Universal Pokemon Randomizer with new features and support for additional games, including 3DS games.github.com · 8 Oct 2026
Downloads
The release page provides a ZIP download that users extract and launch with platform-specific scripts.github.com · 8 Oct 2026
Desktop support
Release instructions provide launchers for Windows, Mac, and other Unix-based systems.github.com · 8 Oct 2026
Java requirement
The randomizer requires 64-bit Java 8 or higher.github.com · 8 Oct 2026
Memory requirement
The documentation says the randomizer needs at least 4 GB of memory when Java's memory setting otherwise limits it below that amount.github.com · 8 Oct 2026
3DS support
The tool supports randomizing mainline Pokémon games on 3DS and accepts decrypted CCI, CIA, and CXI formats.github.com · 8 Oct 2026
3DS output
For 3DS games, randomized output can be a CXI file or a LayeredFS directory, and LayeredFS can be used with an emulator or a 3DS with custom firmware.github.com · 8 Oct 2026
Randomization settings
Options include changing Pokémon base statistics, evolutions, wild Pokémon, moves, and movesets.github.com · 8 Oct 2026
CLI
A command-line mode accepts input ROM, output ROM, and settings-file arguments, with optional LayeredFS output and log generation.github.com · 8 Oct 2026
Security and trust
The repository identifies the project as GPL-3.0 licensed; the opened project pages do not state security certifications or compliance claims.github.com · 8 Oct 2026
Support
The maintainers direct bug reports and help requests to GitHub issues and say they do not take feature requests.github.com · 8 Oct 2026
Known issues
The project wiki documents game-specific known issues for the currently released version, including some visual glitches and gameplay quirks.github.com · 8 Oct 2026
Intended users
The wiki describes the application as a randomizer for Pokémon game files and provides separate guidance for users randomizing 3DS games.github.com · 8 Oct 2026

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Sources