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Get Mastermind old version APK for Android
खैर दिमाग का खेल, मास्टरमाइंड जाना जाता है।
Master your mind with mastermind.
Enjoyable game!
You can easily learn how to play from here:
http://www.industrious.com/mastermind/gamerules.html
It is open source:
https://github.com/feridsource/Master-Mind