Vessel

Two-player horror adventure set inside a hospital full of mysteries

OJStudio · Released Aug 5, 2026

Reviews: Very Negative; 18% of 128
Recent reviews: Not enough recent
Players: 15; daily peak, Oct 28, 2026
Steam Deck: Unsupported
Last update on Steam: 1 month ago; Sep 8, 2026
Minimum PC: RTX2060; 16 GB RAM · 20 GB disk; Full requirements

What is Vessel?

Vessel is a co-op horror adventure about the Lin siblings, who awaken in Yuanwang City's First General Hospital after the Black Flame Incident. You and a partner gather separate clues, solve puzzles and escape rooms, flee monsters, and fight bosses together. Conversations, text, and videos reveal the hospital's secrets.

For you if...

+you enjoy puzzles that require exchanging clues with a partner

Not for you if...

−you want to explore without monster chases or boss fights

Screenshots and trailer

Vessel system requirements

Minimum: RTX2060, 16 GB RAM, 20 GB of disk space.

As published by the developer.

Can my PC run Vessel?

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Minimum

OS: win10/11
Processor: i5
Graphics: RTX2060
Memory: 16 GB RAM
Storage: 20 GB available space
DirectX: Version 12

Does Vessel have co-op or multiplayer?

Yes: co-op online. There is no single-player mode.

Does Vessel run on Steam Deck?

Unsupported No: Valve rates it Unsupported on Steam Deck.

Graphics settings cannot be configured to run well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 27
Steam features: Family Sharing
Languages: Full audio: Simplified Chinese. Text only: English.

Does Vessel use AI-generated content?

Yes. The developers disclose AI-generated content on the game's Steam page:

部分过场视频、角色语音使用了生成式AI

The statement mentions: Voices

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