廉価版、OVA発売中。詳細はInnocent Grey公式サイトへ。
■公式
Innocent Grey
http://www.gungnir.co.jp/innocentgrey/
PS2版 『カルタグラ 〜魂の苦悩〜』
http://www.jp.playstation.com/software/title/slpm66230.html
■メーカースレ
Innocent Grey/Noesis -31-
http://kilauea.bbspink.com/test/read.cgi/hgame/1332559813/
■過去スレ
1 http://idol.bbspink.com/test/read.cgi/hgame2/1113078263/
2 http://idol.bbspink.com/test/read.cgi/hgame2/1115727212/
3 http://idol.bbspink.com/test/read.cgi/hgame2/1120318011/
4 http://idol.bbspink.com/test/read.cgi/hgame2/1148310599/
5 http://idol.bbspink.com/test/read.cgi/hgame2/1169577227/
6 http://idol.bbspink.com/test/read.cgi/hgame2/1189442786/
7 http://qiufen.bbspink.com/test/read.cgi/hgame2/1190348136/
8 http://qiufen.bbspink.com/test/read.cgi/hgame2/1206721067/
9 http://qiufen.bbspink.com/test/read.cgi/hgame2/1225309723/
10 http://kilauea.bbspink.com/test/read.cgi/hgame2/1250086810/