Use a tool like WinRAR or 7-Zip to extract the .rar file. If prompted for a password, it is almost always hadoantv.com .

Many online-enabled versions from HaDoanTV require Steam to be running in the background (often with a secondary "Spacewar" app entry) to facilitate multiplayer. Troubleshooting

Look for the main game folder and find the .exe file (e.g., GameName.exe ) to launch.