• For single user under Microsoft Windows with credit card chargeable in US$. Cancel for polite refund during 30-day trial.
• Other download & currency options.

More Information

• Explanation of MasterMind psychology and, for educators, class management
• Typical lesson screen.
• Single-user order form.
• User's manual.

• System prerequisites.
• Site licensing.
• Published reviews.
• Various keyboard layouts.
• If download failed.
• Developer.