How to open .STSG file extension?

If you cannot open a new file that has been saved in the .STSG format you need to download the appropriate software. The manufacturer of .STSG files is SuperTux; .STSG files belong to the Game Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .STSG files. Activities performed in the order described should solve the problems with all the files in the .STSG format.

• What is .STSG file?
• How to open .STSG file?
• What is .STSG file?