Streets of Rage 2 / Streets of Rage 2 Syndicate Wars (hack) (SoR2 Level Editor) - Level editor with bundled randomizer.
Metroid: Zero Mission (Quantum Deluxe Boogaloo).
Dragon Quest III: The Seeds of Salvation (Endymionls's).
Blasphemous / Wargroove / Stardew Valley / The Legend of Zelda / The Messenger / Kingdom Hearts II Final Mix / The Legend of Zelda: Link's Awakening DX / Adventure (added to Archipelago).
Pokémon Scarlet / Pokémon Violet (XLuma's).
Yakuza: Like a Dragon (Enemy Randomizer).
NEO: The World Ends with You (SaltContainer's).
Mega Man Battle Network (Legacy Collection) (Undernet-Trader).
Advance Wars 2: Black Hole Rising (Ephraim225's).
Pokémon HeartGold Version / Pokémon SoulSilver Version (added to Universal Warp Randomizer) - Source code.
DLC Quest / Noita (added to Archipelago).
Halo 3 (The Master Chief Collection) (NPC Weapon Randomzier) - Also on Steam Workshop.
Fire Emblem Engage (A Little *Secret* Ingredient).
Age of Empires II: The Age of Kings / Age of Empires II (2013) / Age of Empires II: Definitive Edition (HyperRandom).
Halo: Combat Evolved Anniversary (The Master Chief Collection) (Enemy Randomizer).
This subset only shows recently added entries from the past 3 months, with the most recent ones on top, with the exclusion of obsolete ones. The BIG List of Video Game Randomizers | Guillaume Fortin-DebigaréĮxhaustive list of all known video game randomizers.