The BIG List of Video Game Randomizers

LATEST UPDATE: 2018-12-10 - Changelog

New or updated games (past 3 months, most recent on top)

Ultima IV: Quest of the Avatar (NES)
The Goonies II
Final Fantasy V Advance
Stardew Valley
The Legend of Zelda: Oracle of Ages
Final Fantasy XII The Zodiac Age
Dark Souls
Dark Souls II
Fire Emblem: The Binding Blade
Fire Emblem
Fire Emblem: The Sacred Stones
The Legend of Zelda: Ocarina of Time Master Quest
Digimon World
La-Mulana (fangame)

Castlevania

Castlevania II: Simon's Quest
Super Castlevania IV
Castlevania: Symphony of the Night (relics) - Requires Python 2 and PS1 2352 image EDC/ECC recalculator - Game data to patch should be named Castlevania - Symphony of the Night (USA) (Track 1).bin
Castlevania: Aria of Sorrow
Castlevania: Dawn of Sorrow / Castlevania: Portrait of Ruin / Castlevania: Order of Ecclesia

Contra (Probotector)

Contra (NES)
Contra (NES) / Super C (crossover) - Requires special emulator

Dark Souls

NEW - Dark Souls (enemies)
Dark Souls (items)
Dark Souls (weapons)
UPDATED - Dark Souls II (items)
Dark Souls III (items)

Doom

The Ultimate Doom (custom monsters)
The Ultimate Doom (Realm667 monsters)
The Ultimate Doom / Doom II / Final Doom (monsters, items)
The Ultimate Doom / Doom II / Final Doom (multi-game mishmash)
The Ultimate Doom / Doom II / Final Doom (weapons)
The Ultimate Doom / Doom II / Final Doom - See Multi-series category
Doom II (invasion)
Doom II (No Man's Sky parody)
Doom II (silly enemies & weapons)
Samsara (unofficial mod)

Dragon Quest (Dragon Warrior)

EarthBound (Mother)

EarthBound Beginnings
EarthBound (enemy properties, item properties, gift box contents, shops)
EarthBound (battle stats, gift box contents, key items, optional roguelike, shops)
Mother 3

Fallout

Fallout: New Vegas (dialogue skill tests)
Fallout 4 (enemy weapons)
Fallout 4 (sequence break prevention)

Final Fantasy

Final Fantasy (NES)
Final Fantasy (PSP)
Final Fantasy I & II: Dawn of Souls
Final Fantasy III
Final Fantasy IV (characters, items)
Final Fantasy IV (extensive changes, open world)
Final Fantasy IV (linear roguelike)
Final Fantasy IV (non-linear roguelike)
Final Fantasy V (jobs, items, monster stats)
Final Fantasy V (roguelike) - English translation
NEW - Final Fantasy V Advance (extensive changes) - Download requires Discord account
Final Fantasy V Advance (job abilities) - Mild output is normal randomization, while Extra Spicy output also randomizes job abilities independently between characters - Drag & drop original USA ROM on randomizer.exe to randomize
NEW - Final Fantasy V Advance (roguelike)
Final Fantasy VI (exits)
Final Fantasy VI (extensive changes with configurable severity, optional roguelike) - Compatible with Brave New World (unofficial hack)
Final Fantasy VI (extensive conservative changes for competitive play) - Extract /releases/0/55609bb9-67b8-4ce4-8ff0-4673a618e35f from the archive and rename it to FinalFantasy6Randomizer.exe to make it work
Final Fantasy VI (extensive severe changes for casual play)
Final Fantasy IX
Final Fantasy X (sphere grids) - Randomizer only affects save data
NEW - Final Fantasy XII The Zodiac Age
Final Fantasy Mystic Quest
Final Fantasy Tactics

Fire Emblem

Fire Emblem: Seisen no Keifu
UPDATED - Fire Emblem: The Binding Blade / Fire Emblem / Fire Emblem: The Sacred Stones
Fire Emblem: The Sacred Stones (randomizer hacked in the game)
Fire Emblem Fates - Source code

Heretic

Heretic
Heretic / Hexen: Beyond Heretic - See Multi-series category

Kirby

Mario

Super Mario Bros. (area shuffling)
Super Mario Bros. (level generator)
Super Mario Bros. 2
Super Mario Bros. 3
Super Mario World
Super Mario Land 2: 6 Golden Coins - Compatible with Super Mario Land 2 DX (unofficial hack)
Super Mario RPG: Legend of the Seven Stars
Paper Mario (items, loading zones) - Can be found in video description
Paper Mario: The Thousand-Year Door (items, loading zones, roguelike)
Paper Mario: The Thousand-Year Door (item drops per battle, enemy HP) - Requires a cheat engine supporting Gecko codes
Paper Mario: The Thousand-Year Door (shuffled items, Pit of 100 Trials enemy loadouts)

Mega Man (Rockman)

Mega Man 2 (extensive changes)
Mega Man 2 (roguelike)
Mega Man 3 / Mega Man 4 / Mega Man 5 (roguelike) - Patches can be found under ハック as ロックマン3 エンドレス for Mega Man 3, ロックマン4 エンドレス for Mega Man 4 and ロックマン5 エンドレス for Mega Man 5
Mega Man 4 (enemies, items) - Download can be found under ロックマン4 as [130]ロックマン4ランダマイザ
Mega Man 6
Mega Man X
Mega Man Battle Network 3: Blue Version / Mega Man Battle Network 3: White Version
Mega Man Battle Network 5: Team Colonel / Mega Man Battle Network 6: Cybeast Falzar / Mega Man Battle Network 6: Cybeast Gregar
Rockman 3: Winternight (unofficial hack)

Metroid

Metroid (items, elevators)
Metroid (map)
Metroid - See Multi-series category
Metroid II: Return of Samus
Super Metroid (doors)
Super Metroid (items)
Super Metroid (roguelike)
Super Metroid (route)
Super Metroid - See Multi-series category
Metroid: Zero Mission
Metroid Prime
Metroid Prime / Metroid Prime 2: Echoes - Requires a winnable seed generator for Metroid Prime or a winnable seed generator for Metroid Prime 2: Echoes - Optional script for easier patching - WARNING: Deprecated for Metroid Prime. Refill Randomizer in optional script may cause softlocks.
AM2R (fangame) - Apply fan update patch and unlock Random Game+ by beating the game under 4 hours in Normal or Hard difficulty - Options documentated in explanations.txt

Phantasy Star

Pokémon

Deprecated

These randomizers have all of their major features in another randomizer listed above. They are included here for archival purposes.

Borderlands 2 by shadowevil1996
Borderlands: The Pre-Sequel by Turk
Dark Souls II by Jgwman
Dragon Quest by Catastrophe
EarthBound by abyssonym
EarthBound by Tomato
Fire Emblem: The Binding Blade / Fire Emblem / Fire Emblem: The Sacred Stones by Camtech
Fire Emblem: The Binding Blade / Fire Emblem / Fire Emblem: The Sacred Stones by lushen124
Fire Emblem by Ephraim
Mega Man Battle Network 3: White Version by samfin
Metroid by Netsrotti
Pokémon Emerald Version by Artemis251
Pokémon Red Version / Pokémon Blue Version by Artemis251
Pokémon Red Version by Sanqui
Samsara (unofficial mod) by Shadowlink223
Super Mario Bros. 3 by CujoIHSV
Super Mario RPG: Legend of the Seven Stars by abyssonym
Super Metroid by Dessyreqt
Super Metroid by Thomas Backmark
The Elder Scrolls V: Skyrim by Tschilkroete
The Goonies II by Netsrotti
The Legend of Zelda: A Link to the Past by Dessyreqt
The Legend of Zelda: Ocarina of Time by finap13
The Ultimate Doom / Doom II by Dave Chess - Unofficial fork
The Ultimate Doom / Doom II by Orosa

What is this list?

The hacks, mods and utilities featured here randomizes or shuffles specific data in the listed video games, in a way that should not cause them to be unwinnable or introduce new potential softlocks, in order to significantly increase their replayability value.

In order to prevent the list from being polluted with entries that do not conform to the above, the following is not considered sufficient for inclusion:

Original games and official ports.
Randomizers that are not available publicly or that are still in a pre-alpha state.
Graphics, audio or any other modifications that do not significantly affect gameplay.
Randomization that can easily be applied without game modifications.
Recurrent object swapping during gameplay.
Object injection within original game areas.
Chaotic effects.

The following rules are used to determine the game name showed in the list:

For games with different versions, the list refers to the base game name only, unless an alternate version has significantly different gameplay content in which case it is considered a separate game.
If at least one official English name exists, the most current one is used, with American English priorized over European English.
Official Japanese names with no official English equivalent are romanized in international Kunrei-shiki, with the exception of katakana which is translated directly to English.
Whenever different games have identical names, the list refers to the one originally released, unless explicitely specified.
Legal characters are omitted, and uppercase used for emphasis only are changed to title case.

If you ever notice a video game randomizer valid for inclusion that is not already listed, please contact me so I can add it! Special thanks to the numerous contributors so far that have made this list what it is today!

I want more!

RandoMania on Twitch regularly streams live randomizer video content, such as speedrunning tournaments.

You can chat with other randomizer enthusiasts on the Randomizer Central Discord community.

For those interested in creating randomizers, ROMHacking.net is a good place to start learning how to do so.

For those that perfer an original game experience but still want to experience a randomized challenge, Retro Bravery and Hitman Roulette can generate interesting rulesets with randomized goals for many classic video games.

Honorable mention: The Nintendo 64 version of Resident Evil 2 contains an unlockable Randomizer mode. As far as I'm aware, it is the earliest use of this term in a video game, and the very first item randomizer.