Game device

A game device comprising:

• first game piece and second game piece being different from the first game piece;
• a first board including first and second squares on a top surface thereof, the first and second squares being aligned;
• and
• a second board having first and second surfaces and including third and fourth squares on the first surface, the second board being configurable on the first board, each one of the first to fourth squares having a same shape, the second surface being opposite to the first surface and facing the first board,
• the second board being configured at a first place or a second place on the first board,
• the first squares and the third squares being configured to overlap in a vertical direction when the second board is in a prescribed location on the first board,
• when the first game piece is configured at the first square and no game piece is configured at the third game square, and when the first square overlaps with the third square vertically, the first game piece being identifiable through the third squares.