The specific naming in your file suggests a community-distributed version:
Developed by GapTax and published by Kagura Games, RaiOhGar is a turn-based RPG that blends giant robot (mecha) combat with a romantic subplot. RaiOhGar - Darkforze (Juegos Ganso).7z
The file appears to be a compressed archive containing a specific fan-localized or modded version of the adult mecha RPG, RaiOhGar: Asuka and the King of Steel . Game Overview: RaiOhGar The specific naming in your file suggests a