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CYAN PROJECT: Today, I Decided to Kidnap a Mermaid

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CYAN PROJECT: Today, I Decided to Kidnap a Mermaid screenshot 1

CYAN PROJECT: Today, I Decided to Kidnap a Mermaid

HOME or AWAY · Published by HOME or AWAY · Official site ↗

Content notice: The game features SF-themed fantasy elements, including scenes where characters consume a fictional medicinal liquid and scenes where characters dissolve into liquid as part of the narrative.

Last updated 28 Sept 2026

An exploration adventure set in a near-future research facility. Progress through the story by solving puzzles with no combat.

Free to PlayComing SoonDJCTQ lFull Controller Support

Free

View on Steam

Prices can lag the live Steam store — always confirm before buying.

Adventure, Indie · More free games

About this game

Overview

This is a puzzle adventure game set in a near-future research facility.

Control the protagonist, Sei, and help rescue the captive mermaid, Sui.

There is no combat — progress the story by solving gimmicks and puzzles.

Puzzles

  • Classic escape-room-style mechanics such as finding items and using them elsewhere,

  • Tile-swap puzzles and more,

  • Simple resource management

    — Sui cannot stay on land for long. Some puzzles require a mermaid to solve. Guide Sui carefully through each area.,

Features

  • Supports keyboard and controller input,

  • Multiple endings depending on how you progress through the story

System Requirements

Will my PC run this? →

Minimum

Minimum:
  • OS *: Windows7、8、10、11
  • Processor: CPU 1GHz
  • Memory: 128 MB RAM
  • DirectX: Version 9.0

Supported Languages

English, Japanese

Latest news

  • Community & EventsOfficial

    DEV LOG Vol. 01: Hello World! + Upcoming Event Info

    Hello there!From now on, I’ll be sharing occasional updates about the game’s development. Grab a coffee, get comfy. I hope you enjoy these little updates in a nice.Today’s news isn’t about the development schedule… but about an upcoming offline event!✨✨Joining Indie Game Market 6✨✨🐶Indie Game Market 6🐶 Website | https://igm.pixel-co.com/ Location | Sendai, Japan Date & Time | March 7, 2026 (Sat) 11:00 - 16:00I rushed to get this Steam store page ready just because I really wanted to join this event (I’m so glad I made it!). Because of that, it will take a little more time until the full game is finished, but I hope you'll stick around.\Aquatic creatures... nice🫧🫧
    Read full article on Community Announcements (あきら|ほーむorあうぇ)

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