Are Rithmomachy and Focus both difficult games to play?
Rithmomachy Rithmomachy (or Rithmomachia, also Arithmomachia, Rythmomachy, Rhythmomachy, or sundry other variants; sometimes known as The Philosophers' Game) is a highly complex, early European mathematical board game. The earliest known description of it dates from the eleventh century. A literal translation of the name is "The Battle of the Numbers". The game is much like chess, except most methods of capture depend on the numbers inscribed on each piece.
Unlight Unlight (アンライト～Unlight～ ) is a free-to-play collectible card battle and role-playing browser game developed by the Japanese company Techway. With multiple language versions including Japanese, Chinese (both traditional and simplified), Korean, French, Thai, and English, the game boasts a playership of two million across all platforms (Facebook, Niconico, Naver, Yahoo! Mobage, Mixi, and Koei Tecmo's myGAMECITY). It is the top engrossing Facebook game in Asia. In 2014, the game won gold in the foreign browser game category for the 2014 Game Star award at the Taipei Game Show. Set in a "medieval gothic" world, the player assumes the role of an automaton given life by a "Saint of Flame" to recover the memories of warriors who have died in another world.