Instructions

Windows Users:
Simply run SSF2.exe and have fun!
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Mac OS X / Linux / Other Operating Systems:
The easiest way is to download the latest "Flash Player Projector" from
Adobe for your operating system. See:
https://www.adobe.com/support/flashplayer/debug_downloads.html
Click the link that says "Download the Flash Player projector" next to
your operating system. Once downloaded you can then play the game by
running the projector executable and doing File->Open SSF2Portable.swf,
or drag SSF2Portable.swf into the window.
Otherwise you will have to try to load the SWF in the browser (see below)
Use the included index.htm file to load the game into your Internet
browser. If it doesn't work right away, you may need to add the game's
folder as a Trusted Location in your Flash Player Settings. See below:
1) Launch SSF2 by opening "index.htm" in the Internet Browser of your
choice. (Please note that in Firefox, due to security settings it may not
work by default. See here for details on resolving:
https://support.mozilla.org/en-US/questions/1172126 )
2) Right-click the SSF2 game window and choose "Global Settings" from the
context menu. It should take you to an Adobe Flash Player preferences
window or website (if so, proceed to step 3). If the game window appears
empty, you may need to install the Adobe Flash Player plugin first. For
Mac installation, go here:
https://get.adobe.com/flashplayer/
For Linux OSes, go to the Software & Updates application in your OS, and
in the "Other Software" tab check the box next to "Canonical Partners"
and close out. Once you've done this, go to your terminal and run:
sudo apt update
sudo apt install adobe-flashplugin
This should enable the Preferences window when you repeat Step 2 from the
beginning.
See below for more:
https://askubuntu.com/questions/765508/how-do-i-install-adobe-
flashplayer-in-ubuntu-16-04
Once the Preferences window is available, click the "Advanced" tab. (If
you don't see "Advanced" look for a "Global Security Settings" section
instead). Then Click the "Trusted Location Settings" button listed under
the Developer Tools section.
3) In the security settings page, you must add the directory containing
the extracted SSF2 executable (e.g. /path/to/ssf2folder ).

4) Confirm your changes and launch the game again. (Note: You must repeat
the above steps if you ever move the game files to another directory)
5) Enjoy!