Popular games published by company SIGONO INC.

Opus: Echo of Starsong - Full Bloom Edition is the definitive edition of the visual novel style adventure game, now with all new voice acting. Asteroids emitting a sound known as "Starsongs" have become the center of conflict for the immense power they hold. Determined to claim asteroids of his own, a young man ventures out with a girl who can imitate starsongs, lending her voice to unravel an ancient myth deep in the heart of space.

Opus: Prism Peak is a narrative adventure where your choices lead to divergent endings. Play as a photographer lost in an ethereal realm, and unveil its mysteries with your camera to find a way home.

In a chilling cellar below the apocalyptic snow, Fei Lin the witch wakes up from hibernation, and ventures into the forsaken world. Guide her through the process of escaping the cellar, and seeing the changed world for her first time.