A Clockwork Ley-Line: The Borderline of Dusk

A fantasy visual novel about investigating a school's supernatural problems

Unison Shift: Blossom · Published by Sekai Project · Released Dec 18, 2017

Reviews: Very Positive; 92% of 88
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 29, 2026
Steam Deck: Untested
Last update on Steam: 3 years ago; May 16, 2023
Minimum PC: DirectX; 1 GB RAM · 4 GB disk; Full requirements

What is A Clockwork Ley-Line: The Borderline of Dusk?

This single-player Japanese visual novel follows Koga Michiru, a student at a mountain academy who must join its supernatural investigations bureau after breaking a statue. You read the story and make choices that lead to different routes. It begins a trilogy and has full Japanese voice acting.

For you if...

+you enjoy character-focused stories with an assertive protagonist

Not for you if...

−you want a fast-paced story with immediate payoff

What players say

92% of 88 reviews are positive

Players praise the artwork, music, and mystery plot. They often criticize the short side routes, and recent reviews report crashes that can block story progress.

Screenshots and trailer

A Clockwork Ley-Line: The Borderline of Dusk screenshot 1

A Clockwork Ley-Line: The Borderline of Dusk system requirements

Minimum: DirectX, 1 GB RAM, 4 GB of disk space.

As published by the developer.

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Minimum

OS: XP/Vista/7/8/10
Processor: Pentium4 1.3GHz
Graphics: DirectX or OpenGL compatible card
Memory: 1 GB RAM
Storage: 4 GB available space
DirectX: Version 9.0c

Does A Clockwork Ley-Line: The Borderline of Dusk have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does A Clockwork Ley-Line: The Borderline of Dusk run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Family Sharing, Trading cards
Languages: Text only: English.

Does A Clockwork Ley-Line: The Borderline of Dusk use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam