Zefyr: Prologue

Open-world action-adventure with island exploration and travel by turtle

Oneiric Worlds · Released Jul 22, 2024

Reviews: Very Positive; 94% of 67
Recent reviews: Not enough recent
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Verified
Last update on Steam: 10 months ago; Dec 19, 2025
Minimum PC: 4GB RAM; 16 GB RAM · 2 GB disk; Full requirements

What is Zefyr: Prologue?

This free 3D action-adventure contains the opening chapter of Zefyr: A Thief's Melody. As a young thief training at a guild, you investigate kidnappings across an archipelago. You climb islands, solve puzzles, and choose between sneaking past enemies and fighting them.

For you if...

+you prefer a relaxed pace in your adventures
+you enjoy finding collectibles and helping animals between missions

Not for you if...

−you want multiplayer rather than a solo adventure

What players say

94% of 67 reviews are positive

Players praise the art style, sound, and resemblance to older 3D adventures. Complaints focus on optimization and uneven polish.

Screenshots and trailer

Zefyr: Prologue system requirements

Minimum: 4GB RAM, 16 GB RAM, 2 GB of disk space.

As published by the developer.

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Minimum

OS: Win 7 64 bits
Processor: 2.4 GHz
Graphics: 4GB RAM
Memory: 16 GB RAM
Storage: 2 GB available space

Does Zefyr: Prologue have co-op or multiplayer?

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

Single-player

Does Zefyr: Prologue 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
External controllers are not supported for the primary player

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 9
Steam features: Cloud saves, Family Sharing
Languages: Text only: English, French, Spanish - Spain, Simplified Chinese, Portuguese - Brazil.

Does Zefyr: Prologue 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