CARTAGRA

A detective visual novel linking a disappearance and serial murders

Innocent Grey · Published by MangaGamer · Released Jun 25, 2026

Reviews: Very Positive; 87% of 69
Recent reviews: Not enough recent
Players: 6; daily peak, Oct 28, 2026
Steam Deck: Verified
Last update on Steam: 3 months ago; Jul 15, 2026
Minimum PC: 512MB VRAM; 4 GB RAM · 10 GB disk; Full requirements

What is CARTAGRA?

In this branching visual novel set in postwar Showa-era Japan, retired police officer Takashiro Shugo investigates a woman's disappearance. You read the story and make choices that affect characters' fates and lead to different endings. This HD remaster includes the Sacrament epilogue.

For you if...

+you enjoy dark mysteries set in historical Japan
+you like exploring alternate outcomes through story choices

Not for you if...

−you prefer action-focused play over reading dialogue
−you avoid horror themes and graphic violence

What players say

87% of 69 reviews are positive

Players praise the story and updated artwork. The most common complaints concern censored content and toned-down gore in this version, while some players also question the protagonist's competence as a detective.

Screenshots and trailer

CARTAGRA system requirements

Minimum: 512MB VRAM, 4 GB RAM, 10 GB of disk space.

As published by the developer.

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Minimum

OS: Microsoft Windows® 10(64bit)/11(64bit)
Processor: intel® Core™ i3 or higher
Graphics: 512MB VRAM
Memory: 4 GB RAM
Storage: 10 GB available space
DirectX: Version 11
Notes: Supports touch screen devices / Steam Deck: Proton 8 is recommended

Does CARTAGRA have co-op or multiplayer?

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

Single-player

Does CARTAGRA run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Steam features: Cloud saves, Family Sharing
Languages: Text only: English, Simplified Chinese.

Does CARTAGRA 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