Genius Loci is a two-player combinatorial game played on a hexagonal board. According to the Romans, a genius loci is the spirit of a place; in this game, the spirits allow movement between places. Playing pieces consist of men, in two colours, belonging to the players; and gods - neutral pieces which can neither capture nor be captured, but enable the movement of the other pieces. Each turn consists of the following steps: (a) optional - move a god (b) required - make a sacrifice; move a man of your colour according to the rules of a god, so as to capture another piece (a sacrifice) The game ends when a player may not make a sacrifice on their turn. They lose. This game is inspired by the "Activator Piece" discussions in the BGG abstract games forums.