, is a series of turn-based strategy video games produced by Bandai, based on the Gundam franchise. It takes its gameplay style from the SD Gundam series and adds political and military management to the One Year War. The Japanese title, Giren no Yabō, is derived from that of Nobunaga's Ambition, although the English title uses a different translation for the word yabō. Gihren's Greed Released in 1998 for the Sega Saturn, the game follows the path of either the Federation or Principality of Zeon throughout the One Year War. The player has 150 turns to defeat the opposing side with either a scenario victory or a complete victory. Alterations can be made to the timeline, preventing deaths and disasters which in turn alter other timeline events. Mobile Suit Gundam: Gihren's Greed Kidou Senshi Gundam: Gihren no Yabou - Sega Saturn - 1998 Kidou Senshi Gundam: Gihren no Yabou [Append Disc] - Sega Saturn - 1998 Kidou Senshi Gundam: Gihren no Yabou Special - Bandai Wonderswan Color - 2003 Gihren's Greed: Blood of Zeon Blood of Zeon features a more complex political system compared to the original Gihren's Greed. The player can now create ceasefires and treaties, and the military system now supports mobile suit upgrading and customization. The map system was also updated. Blood of Zeon also introduces mobile suits and characters from various Gundam OVAs, along with the third-party factions Titan, A.E.U.G, and the Axis. On release, Famitsu magazine scored the Dreamcast version of the game a 30 out of 40, and gave the PlayStation version a 33 out of 40. Mobile Suit Gundam: Gihren's Ambition: Blood of Zeon Kidou Senshi Gundam: Gihren no Yabou, Zeon no Keifu - PlayStation, Dreamcast - 2000 Kidou Senshi Gundam: Gihren no Yabou, Zeon no Keifu [Append Disc] - PlayStation - 2000 Kidou Senshi Gundam: Gihren no Yabou, Zeon no Keifu + [Append Disc] - PlayStation Portable - 2005 Gihren's Greed: War for Zeon Independence War for Zeon Independence adds an updated map system and military system to a rewritten script, several new characters, an updated spying system and Mobile Suits from MSV. The battles are fought in full 3D, unlike previous titles in the series. However, this installment omits the Zeta Gundam era conflicts featured in Blood of Zeon. As a result, the Principality of Zeon and the Earth Federation are the only factions featured in this entry. However, after completion