Right-click the downloaded archive and extract it using WinRAR or 7-Zip (the password is often www.apunkagames.net or apunkagames ).
Sites like BlueMaxima's Flashpoint preserve these games and allow you to play them without downloading potentially risky standalone executables. download-crazy-penguin-catapult-apun-kagames-exe
Antivirus software often flags these files as "Trojan" or "Malware" because they contain "cracks" or custom installers. While some are safe, others can be malicious. Right-click the downloaded archive and extract it using