Operation Eventide: Sci-Fi Dark Fantasy Visual Novel

9/17/2026, 7:05:16 AM

Release date: 9/17/2026

Tags: #visual-novel #female-protagonist #anime #sci-fi #dark-fantasy #psychological-horror #cute #emotional

Reference prices

Japan

¥ 1,520 (JPY)

Steam JP

$11.99 (USD)

Steam Global

Live Store Snapshot

Body text may reflect the state at publication time. For the latest sale, price, and review changes, prioritize the live price panel, review panel, and the Steam store listing.

Japan Price: ¥ 1,520
Global Price: $11.99
Price in Your Region: ¥ 1,520-20%Prices as Steam lists them per country. What you are actually charged depends on your Steam account settings.Regional prices checked: 17 Sept 2026
Sale Status: On sale
Price Checked At: 9/19/2026, 9:30:26 AM

Key highlight

Experience a dark sci-fi visual novel as a superhuman Arbiter fighting demonic Aberrations. Operation Eventide, by kolulu, launched September 17, 2026.

Who this is for

Highly recommended for fans of visual novels who enjoy dark atmospheres and profound storytelling. Join protagonist Adelle in a desperate fight against overwhelming odds, exploring psychological struggles that promise an unforgettable experience.

Details

Overview

Operation Eventide plunges players into a dark science-fiction world where humanity's last hope rests with the Arbiters. These superhuman female soldiers possess the extraordinary ability to manifest their souls, transforming into angelic beings of immense power. Their sole purpose is to defend against the Aberrations, monstrous demons that descend from the moon, leaving only devastation.

The narrative centers on Adelle Krouve, a self-proclaimed "hero" and an Arbiter tasked with a critical mission: to eliminate the final Aberration, a formidable steel hydra known as 'Edge Ixia Atlas SeigaRozen.' The story picks up five years after this pivotal confrontation, with Adelle awakening to a world irrevocably changed.

Highlights

Genre Blend: This title masterfully combines elements of Sci-fi, Dark Fantasy, and Psychological Horror within a Visual Novel framework.
Protagonist Focus: Players step into the shoes of Adelle Krouve, a powerful Arbiter, experiencing the narrative through her perspective.
Release Information: Developed and published by kolulu, Operation Eventide launched on September 17, 2026, and is available as a paid title.

Who It's For

Operation Eventide is designed for players who appreciate mature storytelling with a strong emphasis on psychological themes and dark fantasy elements. Fans of visual novels, particularly those featuring a female protagonist and a compelling sci-fi setting, will find themselves drawn into its intricate narrative and intense atmosphere. Those who enjoy anime-inspired aesthetics and emotionally resonant, albeit dark, storylines should also find this game appealing.