The Key of Avalon 2.5 - War of the Key © 2005 Sega Enterprises, Limited.
Runs on the Sega's "Triforce" hardware.
1. The Key of Avalon - The Wizard Master (2003)
2. The Key of Avalon Ver.1.10 (2003)
3. The Key of Avalon Ver.1.20 - Summon the New Monsters (2004)
4. The Key of Avalon Ver.1.30 - Chaotic Sabbat [GDT-0010C] (2004)
5. The Key of Avalon 2 - Eutaxy Commandment [GDT-0017B] (2004)
6. The Key of Avalon 2 - War of the Key (2005)
Game's screenshots.
Official website: http://www.a-key.jp