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Games like Astronook | IndieDex

Astronook
Games like Astronook

Find the Steam hidden gems

single-players with secrets you find without a guideor

Games like Astronook

A casual single-player astronomy game of mapping constellations and photographing planets from your study, lasting about four hours with a contemplative, wait-heavy pace.

Glass Masquerade 4: Constellations
A relaxing jigsaw puzzle game that assembles stained-glass art across a celestial map of constellations, with a compact run of about four hours.
2025-09-18
- Puzzle
- Indie

Astrologaster cover art

Astrologaster

A playful comedy adventure in Shakespeare's London, using astrology for conversational diagnosis puzzles in a short story-driven experience.

2019-05-09

Comedy
Adventure
Strategy
Indie
Side view
Historical
Visual Novel

Observa cover art

Observa

A short, eerie adventure about studying deep space from a lone island while something seems to watch you.

2026-01-19

First person
Adventure
Indie
Simulator

CATch the Stars cover art

CATch the Stars

A minimalist, relaxing puzzle game about clicking stars to form constellations, with no timer or pressure and a short ~1-hour experience.

2020-11-18

Puzzle
Adventure
Strategy
Card & Board Game

Aurora Nights cover art

Aurora Nights

A short, well-regarded educational game for learning to recognize constellations, with brief play sessions.

2016-05-26

Indie

SPACEPLAN cover art

SPACEPLAN

A short, experimental space clicker adventure with a Hawking-inspired story and soothing, slow-burn idle gameplay.

2017-05-03

Comedy
Science fiction
Adventure
Fantasy
Indie
Simulator
Text

Star Sky cover art

Star Sky

A brief, ambient single-player adventure about repeat midnight strolls that slowly unlock encounters and night mysteries.

2015-10-23

Action
Adventure
Indie
Side view
Simulator

Spacenap cover art

Spacenap

A chill, low-effort idle game about collecting stars and building constellations, typically played for around 4.5 hours.

2025-10-10

Indie

Starlight cover art

Starlight

A single-player indie casual clicker about choosing the right stars, playable in about 2.5 hours, with mixed player feedback.

2019-11-24

Indie

Space Memory: Flowers cover art

Space Memory: Flowers

A calm, untimed card-matching game with floral art and a space setting, offering a leisurely solo experience.

2026-02-18

Puzzle
Side view

Space Tourist cover art

Space Tourist

A relaxing, mechanic-lite single-player space exploration game focused on discovering worlds, planting flags, and taking photos in short sessions.

2025-04-07

Adventure
Simulator

Cat's Cosmic Atlas cover art

Cat's Cosmic Atlas

A short, relaxed educational sky-exploration game where you pilot a cat through both hemispheres to observe celestial sights and learn about the universe.

2023-08-17

Platform
Adventure
Indie
Educational