Khronos

You are a powerful lord with a loyal companion, and your domain sits in three eras at once. Khronos runs on three boards at the same time: the Middle Ages, the Renaissance and the modern period. Each turn you pick from four action cards and build military, religious and civil buildings over seven turns. Bigger buildings travel through time, so a castle you raise in the Middle Ages may stand later as a ruin on the next board. With a watchmaker's invention and enough money, your two adventurer pawns can hop between eras themselves. It is a 2006 area control game that rewards patience and long-range thinking.