Many variants of janggi have been developed over the centuries.
A few of these variants are still regularly played, though none are nearly as popular as janggi itself.
[citation needed] Gwangsanghui (廣象戱, 광상희) is an 18th-century janggi variant.
[1] It was recorded in Noeyeonjip (뇌연집) which was written by Nam Yuyong (남유용).
Sanjangjanggi (三將象棋, 산장장기) is an janggi variant with an unusual rule.