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Quasar 1.1.3

A Modding Tool for Super Smash Bros. Ultimate


Quasar v1.1 27d
  • Adjustment Updated Detection and Build system
  • Addition Added support for multiple Workspaces
  • Addition Added compatibility with ARCropolis' Workspaces
  • Addition Added ARCropolis installation verification (Installs it if you don't have it, updates it if Quasar's version is higher)
  • Addition Added a Workspace tab so you can manage them or activate them in ARCropolis
  • BugFix Fixed Effects crash when downloaded
  • Overhaul Reworked all definitions
  • Addition Added effects definition
  • Addition Added Item definitions (like bombs n stuff)
  • Adjustment When selecting ARC + UMM, it'll now send nutexb to ARCropolis
  • Tweak Validating FTP now saves the parameters so you don't have to set them up anymore
  • Tweak Quasar now remembers which type of building you selected (FTP or Local)
  • Addition Quasar's build progress is now shown in the taskbar !

1. What is Quasar?

  • Quasar is a mod Downloader, manager and updater for Ultimate. 
  • It serves as a Library for all the mods you download through it. 
  • Allows you to place the content wherever you like in game, and sets up your SD with those files so you don't have to.

2. How can I download mods?

Head over to the Super Smash Bros. Ultimate section of the website.
Then, when you're browsing a mod page you'll see a Quasar Download button that will trigger the download in Quasar.

3. I need help using this app, where can I find more information?

Head over to the wiki on Quasar's Github page

4. I think Quasar's not installing a mod properly, what can I do?

Quasar is a definitions based mod manager. That means that it can handle mod types such as skins, UI, voices and such if I've provided the definition for those. Sometimes, specific files aren't defined while other times, mods are not in a recent format. When that arrives, Quasar is not able to handle them.

But please know that I'm aiming for the most compatibility for every mod you can throw at Quasar. I will be updating it so it can support as much as possible.

If you think you've found a mod that isn't handled or a bug, you can report it to me on this discord server below:

Quasar's discord server


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