My Koi
Games like My Koi

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single-players with secrets you find without a guideor

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Games like My Koi

A relaxing single-player fish-pond simulator focused on feeding, naming, and collecting koi in short daily sessions.

Zen Aquarium
A single-player ambient aquarium simulator where you arrange corals and fish and play soothing sounds, serving as a calm backdrop for relaxation or sleep.
2025-09-25

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Games like My Koi | IndieDex

My Koi
Games like My Koi

Find the Steam hidden gems

single-players with secrets you find without a guideor

Edit search

Games like My Koi

A relaxing single-player fish-pond simulator focused on feeding, naming, and collecting koi in short daily sessions.

Zen Aquarium
A single-player ambient aquarium simulator where you arrange corals and fish and play soothing sounds, serving as a calm backdrop for relaxation or sleep.
2025-09-25

Fish Game

A slow-paced freshwater aquarium simulator with personality-driven fish, water quality modeling, and long-term progression.

2023-10-26

Simulator

Fantasy Aquarium

A casual single-player fish-keeping sim about slowly raising fantasy fish and building a vibrant world, with a relaxed but sometimes rough-around-the-edges grind.

2024-11-21

Strategy
Indie
Simulator
Music

Aquarium Designer

A casual single-player simulation where you design, build, and stock custom aquariums to order, offering a short, relaxing job-sim experience (median reviewer playtime ~4 hours).

2021-10-21

Third person
Indie
Simulator

Idle Waters

A relaxing single-player idle fishing game about catching fish, upgrading, and building an aquarium collection, with a slow-paced, return-anytime loop.

2025-06-12

Indie
Side view
Simulator

Aquarist

A relaxing single-player sandbox sim about building and managing aquariums, with satisfying fish-care and decorating, lasting roughly 17-30 hours for reviewers.

2024-03-29

Strategy
Indie
Simulator
Educational

Fischer's Fishing Journey

A calm, cozy desktop idle fishing game where a cat fishes in the corner while you work, with satisfying upgrades and a long-running passive loop.

2025-08-07

Indie
Kids
Auditory

Behind Glass: Aquarium Simulator

A casual PC sim for creating and viewing lifelike virtual aquariums, with a sandbox mode noted for small tanks.

2025-01-08

First person
Simulator

Joyquarium

A relaxing single-player fish-raising sim where you grow and sell fish to fund aquarium decoration, with a low-effort loop that reviewers found ideal for background play.

2025-03-27

Indie
Simulator

Chillquarium

A cozy, low-pressure aquarium idle game where you buy, feed, and sell fish while collecting rare variants and customizing your tank.

2023-09-06

Simulator

Desktop Fishes

A cozy single-player idle aquarium sim about breeding and collecting pixel-art fish on your desktop with playful upgrades.

2025-11-13

Indie
Simulator

Tiny Aquarium: Social Fishkeeping

A relaxing 3D idle aquarium sim about hatching, selling, and trading fish, decorating your tank, and visiting friends, with offline growth and a gentle loop that reviewers played for dozens of hours.

2025-06-23

Indie
Side view
Simulator

Zen Aquarium