Concordia: Solitaria ExpansionA solo and 2 player expansion for Concordia. In CONCORDIA SOLITARIA you compete alone or in a team of two against the tricky opponent CONTRARIUS. As the cards you play also determine the reactions of your adversary, only skillful planning leads to victory. In a two player game you can either compete with CONTRARIUS as a cooperative team or challenge it individually. CONCORDIA SOLITARIA may be played on any of the maps and with any other expansion for