Grisaia Phantom Trigger Vol.5.5

Linear visual novel about a teacher confronting her past

Frontwing · Published by Frontwing USA · Released Apr 25, 2019

Reviews: Very Positive; 92% of 89
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 29, 2026
Steam Deck: Untested
Last update on Steam: 7 years ago; Sep 30, 2019
Minimum PC: VRAM320MB; 1 GB RAM · 4 GB disk; Full requirements

What is Grisaia Phantom Trigger Vol.5.5?

Set at Mihama Academy, a school for assassins, this visual novel follows teacher Arisaka Shiori as a critical evaluation prompts her to reconsider her role. You read through a fixed story with no branching routes.

For you if...

+you enjoy anime stories built around character relationships

Not for you if...

−you want choices that lead to different story routes

What players say

92% of 89 reviews are positive

Players praise the character writing and backstories, particularly Arisaka's. Recent reviewers are more critical of Arisaka, calling her uninteresting or arguing that her backstory does little to develop her.

Screenshots and trailer

Grisaia Phantom Trigger Vol.5.5 screenshot 1

Grisaia Phantom Trigger Vol.5.5 system requirements

Minimum: VRAM320MB, 1 GB RAM, 4 GB of disk space.

As published by the developer.

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Minimum

OS: 7/8.1/10
Processor: Intel Core 2 DUO
Graphics: VRAM320MB, 1280×720
Memory: 1 GB RAM
Storage: 4 GB available space
DirectX: Version 9.0c
Notes: Windows Media Player 9 equivalent or higher

Does Grisaia Phantom Trigger Vol.5.5 have co-op or multiplayer?

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

Single-player

Does Grisaia Phantom Trigger Vol.5.5 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
Achievements: 15
Steam features: Cloud saves, Family Sharing
Languages: Full audio: Japanese. Text only: English, Simplified Chinese.

Does Grisaia Phantom Trigger Vol.5.5 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