: Known for establishing a stable base that allowed offline use without frequent "phone home" requirements. It typically requires a specific hardware ID (HWID) for activation.

Over time, the Petka series has undergone several updates and patches, which have improved gameplay, fixed bugs, and added new features. Patched versions of Petka 85, 86, and 88 are available, which offer enhanced gameplay and compatibility. However, patched versions may also require specific activation threads or requirements.

: To run the software, specific .exe or .dll files are often "patched" to ignore the official license check.