For me it’s a 7z file that just looks like any other generic fileStep 1: Make a new folder and then extract the zip file there.
Step 2: Open Sonic Smackdown 100819/WindowsNoEditor
Step 3: Launch the game by clicking on OriginOfStormsMaster. Done!
As explained by @Ibblue07 you first need to extract the .7z file. You can use a software such as WinRAR or 7-Zip to do just that.For me it’s a 7z file that just looks like any other generic file
Can you say the error or a screenshot?this is late but it says some dll file is missing help