Hollow Knight MultiWorld vs MultiworldGG

Hollow Knight MultiWorld is a free, open-source set of add-ons for Hollow Knight Randomizer 4.0. MultiWorld distributes randomized items across linked game files for cooperative play, while the separate ItemSync add-on shares randomized pickups among players in a room. Players can use local randomizer mods, keep their own randomizer settings, choose nicknames shown when their items are collected elsewhere, and coordinate through a room code. The server assigns a random identifier to each randomization, allowing multiple sessions to run at once. Players can save, reload, reconnect, and rejoin to recover MultiWorld data after a crash before their first save. Mods are available through Scarab, which installs dependencies. Documentation lists a public server and explains local hosting with MultiWorldServer.exe; WAN access requires forwarding port 38281. The project supports Windows, offers advanced customization, seed sharing, and multiworld support, and is licensed under LGPL-2.1. Detailed spoiler logs are planned.

MultiworldGG is a multi-game randomizer that joins supported games in one multiplayer session. An item found in one player’s game can be assigned to another player, and supported games can also be generated as single-player experiences. The project is a fork of Archipelago, with tweaks and additional third-party worlds. Players can generate locally with the desktop client or use the website by uploading YAML configuration files or ZIP archives. Lobbies let participants upload configurations and coordinate in chat before a host generates the multiworld. Hosts can upload a generated ZIP or multidata file and provide trackers and patch-file downloads. Installations include a launcher, generator, server, and some clients; desktop downloads are available for Windows, Mac, and Linux. The website also links tools such as a text client, checklist tracker, and manual world client. Website-generated multiplayer games are limited to 30 players; larger games must be generated locally. Many catalog worlds are still in development and may be buggy or unfinished. MultiworldGG is free and open source.