Single-player games like Astronomy3D: Artemis II
Below are 8 single-player Steam games similar to Astronomy3D: Artemis II, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Astronomy3D: Artemis II page.
Ranked picks
- 1
Album3D
Single-player alternative to Astronomy3D: Artemis II — playable solo, no multiplayer required. Shares Indie and Adventure with Astronomy3D: Artemis II.
Not a flat photo viewer—Album3D is a game-like 3D photo experience that turns your photos into 3D albums you can manually explore. Import large photo libraries, switch 3D views/layouts, and enjoy manual mode, slideshow, or flythrough—fast and fun.
- 2
PlanetMars3D: Spirit Mission
Single-player alternative to Astronomy3D: Artemis II — playable solo, no multiplayer required. Shares Indie and Adventure with Astronomy3D: Artemis II.
Explore Mars in 3D through real Pancam photographs from NASA's Spirit rover. Glide between images with detail that sharpens as you approach, and skim thousands of rover photos at a glance — manual mode, slideshow, or automated flythrough. Photo credit: JPL / NASA / Cornell / ASU
- 3
Architecture & Design
Single-player alternative to Astronomy3D: Artemis II — playable solo, no multiplayer required. Shares Indie and Simulation with Astronomy3D: Artemis II.
Design your dream home with the precision of professional architecture software without the complexity. Create a parametric floor plan and watch walls, roofs, and stairs adapt automatically in 3D. Furnish and model, customize materials, explore and share your designs. Total freedom, zero pressure.
- 4
BIG BANG TO US
Single-player alternative to Astronomy3D: Artemis II — playable solo, no multiplayer required. Shares Simulation with Astronomy3D: Artemis II.
A wondrous journey across 13.8 billion years of cosmic history, ending with the discovery of ourselves. 'BIG BANG TO US' is an interactive science application that lets you experience the vast history of the universe through intuitive interactions.
- 5
SHADOWBOX: Mausoleum of Natural History
Single-player alternative to Astronomy3D: Artemis II — playable solo, no multiplayer required. Shares Indie and Simulation with Astronomy3D: Artemis II.
Experience the story of life on Earth like never before with SHADOWBOX: Mausoleum of Natural History, a virtual, interactive, and free-to-play museum featuring 3D scans of real fossils.
- 6
World Climate Lab
Single-player alternative to Astronomy3D: Artemis II — playable solo, no multiplayer required. Shares Indie and Simulation with Astronomy3D: Artemis II.
World Climate Lab is a real-time planetary climate simulator. Import your own terrain or sculpt a world in the topography editor, then watch a living climate emerge from physics: winds, oceans, cloud bands and ice. Every climate is calculated, not painted.
- 7
Solar System Simulator
Single-player alternative to Astronomy3D: Artemis II — playable solo, no multiplayer required. Shares Indie and Simulation with Astronomy3D: Artemis II.
Gravity and exploration sandbox
- 8
Terapixel Mars
Single-player alternative to Astronomy3D: Artemis II — playable solo, no multiplayer required. Shares Indie and Adventure with Astronomy3D: Artemis II.
Terapixel Mars is a real-time planetary experience that lets you traverse the Red Planet seamlessly from orbit down to the surface. Powered by the Terapixel engine, Mars is stored in the cloud and streamed to your system, enabling a level of scale and immersion unmatched by any existing experience.