Harmonia Full HD Edition

A linear visual novel about robots in a ruined world

VISUAL ARTS/Key · Published by VISUAL ARTS · Released Apr 24, 2024

Reviews: Very Positive; 96% of 71
Recent reviews: Not enough recent
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Verified
Last update on Steam: 1 month ago; Sep 10, 2026
Minimum PC: 512MB Memory; 4 GB RAM · 4 GB disk; Full requirements

What is Harmonia Full HD Edition?

Harmonia is a single-player science-fiction visual novel set after an apocalypse. You follow protagonist Rei’s story by reading text alongside anime-style artwork and Japanese voice acting, with no choices that change the plot.

For you if...

+you enjoy emotional stories about humanity and connection

Not for you if...

−you want branching routes and decisions that shape events

What players say

96% of 71 reviews are positive

Players praise the music, voice performances, and visual presentation, while some find the story underwhelming.

Screenshots and trailer

Harmonia Full HD Edition system requirements

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

As published by the developer.

Can my PC run Harmonia Full HD Edition?

Tell us your graphics card once and every game page will answer this for you.

Set up my PC →

Minimum

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

OS: Microsoft Windows® 10(64bit)/11(64bit)
Processor: intel® Core™ i5 or higher
Graphics: 1GB Video Memory, 1920x1080 or higher display resolution
Memory: 4 GB RAM
Storage: 4 GB available space
DirectX: Version 11
Notes: Supports touch screen devices / Steam Deck: Proton 8 is recommended

Does Harmonia Full HD Edition have co-op or multiplayer?

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

Single-player

Does Harmonia Full HD Edition 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
Achievements: 13
Steam features: Cloud saves, Family Sharing
Languages: Full audio: Japanese. Text only: English, Simplified Chinese.

Does Harmonia Full HD Edition 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