• 166MHz Pentium or equivalent or greater CPU
• Windows Vista, 2003, XP, 2000 Pro, 2000 Server, Me, 98, 98 SE, NT4 SP6, 95 OSR 2
• 3 MB free hard disk space
• 32 MB RAM minimum, 48 MB or more recommended

• Puzzle Player requires the Java 2 Runtime Environment (JRE). If not already installed, this requires 40 megabytes of hard disk space.

• Puzzle Player requires a newer version of ComCtrl32.dll than is shipped with the original unpatched versions of Windows 95, 98 or NT.