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Zefyr: Prologue

Zefyr: Prologue

1st chapter of "Zefyr: A Thief's Melody". In a colorful archipelago, play as a young thief studying at the Guild. Investigate kidnappings, steer clear of roaming pirates or fight them. Sail the ocean on a cute turtle and climb on every island. Cure sick animals and reveal the truth.

Released Jul 22, 2024 Developer Oneiric Worlds Platforms Windows AdventureExplorationIndieSingleplayer3D
View on Steam ↗ Free (US · as of 2026-09-27)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-27.

93.9%positive66 reviews
Recommended · 0 found this helpful

“https://www.youtube.com/shorts/kW39hLVK8MQ Recommended!”

— a player, Steam review · 0 hrs played
Recommended · 0 found this helpful

“Has a bright style, upbeat music, fluid controls and snappy systems but not my jam personally.”

— a player, Steam review · 1 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-28.

9achievements
27.0%median completion
13.5%rarest: Sky Master
53.8% of players 35.7% of players 33.8% of players 30.7% of players 27.0% of players 19.0% of players 15.4% of players 14.0% of players 13.5% of players 53.8% 0% most earned rarest
Almost everyone has
53.8%Nice Jump — Jump from 20 meters.
35.7%Bo Master — Get the Bo.
33.8%Smooth Move — Knock out an enemy in a single stroke.
Rarest badges of honor
13.5%Sky Master — Hidden achievement
14.0%Sheep Rider — Hidden achievement
15.4%Top of the Kiosk — Reach the top of the kiosk.

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Dec 19, 2025
Simplified Chinese, new publisher and promo!

Hello everyone! This month I have pretty big news to share with you. Let's go crescendo: Minor Updates First, I've made many minor updates fixing little bugs here and there thanks to your amazing feed

Jun 02, 2025
Zefyr is out NOW! Please leave a review!

🎉Finally, it’s here ✨ After 12 years of crazy and naïve solo dev, my game Zefyr is officially released! 👇 Get it now ! 👇 https://store.steampowered.com/app/1344990 I’m incredibly happy, grateful, and

Oct 05, 2024
Steam Next Fest & Spanish Update

Hello everyone, The demo and prologue of Zefyr are now available in a new language: Spanish (from Spain)! I hope it’s also relevant for Latin American players too. Of course, the full game will also b

Aug 25, 2024
Bug fixes

Hello there, Since the release, a few bugs have been reported, so I fixed the following: FIX impossible to fully navigate the graphics menu with a controler FIX map is invisible in the bo dojo IMPROVE

Jul 22, 2024
Release Day! Leave a review please!

Hello everyone! Today is finally the release day of Zefyr:Prologue. Thanks a lot for your amazing support and patience ! As a reminder, this prologue is the first chapter of the full game "Zefyr: A Th

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-27.

GenresAction, Adventure
Player tagsAdventure · Exploration · Indie · Singleplayer · 3D · Atmospheric · Story Rich · Open World · Colorful · Animals · Stealth · Nature (Steam store community voting)
FeaturesSingle-player · Steam Achievements · Full controller support · Steam Cloud · Family Sharing
LanguagesEnglish, French, Spanish - Spain, Simplified Chinese, Portuguese - Brazil
ControllerFull support
Achievements9
Official sitehttp://www.oneiricworlds.com/
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS *: Win 7 64 bits Processor: 2.4 GHz Memory: 16 GB RAM Graphics: 4GB RAM Storage: 2 GB available space