Hydlide 3: The Space Memories (ハイドライド３ 闇からの訪問者, Haidoraido 3: Yami Kara no Hōmonsha) is an action role-playing game developed by T&E Soft and released in 1987 for the MSX (and separately for MSX2) and NEC PC-88, 1989 for the Nintendo Famicom and Sega Mega Drive (under the title Super Hydlide), and 1990 for the Sharp X68000. Before its Mega Drive release, it was called Hollo Fighter in some Sega advertising material and is notable as it was one of the first third party published titles to be released in the U.S, the other being Air Diver.

Idol Hakkenden (アイドル八犬伝) is a Japan-exclusive text adventure video game developed by Natsume and published by Towa Chiki in 1989 for the Family Computer.

Igo can refer to the following: IGO Girawali_Observatory IUCAA Girawali Observatory Igo, another name for Go (game) I-GO, a non-profit organization which operates a car sharing service in Chicago, Illinois iGo, a brand of universal power adapter that allow a user to power multiple devices with a single adapter iGO (software), a PDA/PNA navigation software package, manufactured by NNG Ltd. IGO, or intergovernmental organization (see also) international organization Igo, California, a small town in the United States Indonesia Goes Open Source (IGOS) ISIC Global Office B.V.