Duel of Familiars is a game where two familiars attack each other when players solve the logical problem of eight queens. To perform attack, place the last queen so that no two queens threaten each other; thus, a solution requires that no two queens share the same row, column, or diagonal.

System requirements:

iOS/iPadOS 15.0 or above;
iPhone 6S/iPad Air 2 or above;
Stable internet connection.

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