('Arena', 'Middle battle'),
('Atomic1', 'Explosive captures (v1)'),
('Atomic2', 'Explosive captures (v2)'),
+ ('Avalanche', 'Pawnfalls'),
('Ball', 'Score a goal'),
('Balaklava', 'Meet the Mammoth'),
('Baroque', 'Exotic captures'),
('Hoppelpoppel', 'Knibis and Bisknis'),
('Horde', 'A pawns cloud'),
('Interweave', 'Interweaved colorbound teams'),
+ ('Isardam', 'No paralyzed pieces'),
('Janggi', 'Korean Chess'),
('Kinglet', 'Protect your pawns'),
('Knightmate', 'Mate the knight'),
('Royalrace', 'Kings cross the 11x11 board'),
('Rugby', 'Transform an essay'),
('Schess', 'Seirawan-Harper Chess'),
+ ('Screen', 'Free initial setup'),
('Shako', 'Non-conformism and utopia'),
('Shatranj', 'Ancient rules'),
('Shogi', 'Japanese Chess'),