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Save your login

Stop retyping your UserID and password every time you launch PSO Blue Burst. The download includes a one-file helper that writes both into the client — the password is stored exactly the way the game stores it (encrypted). No installs; it uses only what your OS already ships.

macOS

  1. Unzip the download — a PSOBB-macOS folder with PSOBB.app and setup.command.
  2. Clear the download warning once (macOS blocks unsigned downloads): open Terminal, type xattr -drs com.apple.quarantine (with a space), drag the PSOBB-macOS folder onto the window, and press Enter. (No Terminal? See "Get past the security warning" below.)
  3. Close the game if it's open, then double-click setup.command and type your UserID and password. It finds PSOBB.app sitting right next to it in the folder (or in Applications, if you already moved it there); if it can't, it asks you to drag the app onto the window.

Launch PSOBB.app — both fields are pre-filled; just press Start. Run the helper again any time to change them.

Windows

  1. Unzip the download.
  2. Close the game if it's open.
  3. Double-click Setup.bat.
    • If SmartScreen warns (“Windows protected your PC”): More info → Run anyway.
  4. Type your UserID and password when asked.

Launch with Play.bat — both fields are pre-filled. Run the helper again any time to change them.

What does it actually do?

It sets three values under HKEY_CURRENT_USER\Software\SonicTeam\PSOBB — the same keys the game itself uses:

It only touches your own user settings (the macOS app's bundled registry, or your Windows user registry). Nothing else is changed, and nothing is sent anywhere.

Get past the security warning

macOS (“Apple could not verify … malware”) and Windows (SmartScreen) warn because this client and helper are not code-signed — signing needs a paid Apple/Windows certificate a small private server doesn't bother with. It's about who made it, not whether it's malware. To allow it (once per machine):