He also appears in Koei's Romance of the Three Kingdoms series.

The game adds a new strategy mode called 'Empire Mode' which is based on the Romance of the Three Kingdoms series.

The catoblepas also appear in the Lost Kingdoms series of games.

Taking after the Romance of the Three Kingdoms series, this game introduces the concept of "generals" to this series.

Also, in her 500 Kingdoms series, the Katschei is referenced in the novels The Fairy Godmother and "Fortune's Fool."

Sangokushi Internet (三國志 Internet) is Koei's first online video game based on the Romance of the Three Kingdoms series.

The Seven Kingdoms series of computer games were named after these states.

In 2008, Enlight released a further title in the Seven Kingdoms series, Seven Kingdoms: Conquest.

Sangokushi V (三國志V) is the 5th installment in Koei's famous Romance of the Three Kingdoms series.

The Lost Kingdoms series was launched in 2000, under the name "Yowie And The Lost Kingdoms".