Single-player games like Gizmos: Interstellar Voyage
Below are 14 single-player Steam games similar to Gizmos: Interstellar Voyage, 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 Gizmos: Interstellar Voyage page.
Ranked picks
- 1

Mars Horizon
Single-player alternative to Gizmos: Interstellar Voyage — playable solo, no multiplayer required. Shares Strategy and Indie with Gizmos: Interstellar Voyage.
Lead a major space agency as you guide humanity to Mars in this strategy simulation game. Construct a base, design and build rockets, conduct missions throughout the Solar System, and write your own history of Space exploration. Created with support from the European Space Agency.
- 2

Quilts and Cats of Calico
Single-player alternative to Gizmos: Interstellar Voyage — playable solo, no multiplayer required. Shares Strategy and Indie with Gizmos: Interstellar Voyage.
Quilts and Cats of Calico is a wholesome, award-winning complex puzzle game for 1 to 4 players. Meet adorable cats and sew the coziest quilts. Compete with other players in multiplayer mode, play solo, or delve into the story of a quilter sewing their way through the city of cats.
- 3

Is This Seat Taken?
Single-player alternative to Gizmos: Interstellar Voyage — playable solo, no multiplayer required. Shares Indie and Casual with Gizmos: Interstellar Voyage.
Is This Seat Taken? is a logic puzzle game where you play matchmaker for groups of hilariously particular people. Each character has pet peeves that make seating them a delightful challenge. Find the perfect spot for each person to unlock new levels in this cozy, silly, and relatable experience.
- 4

Pixel Puzzles Ultimate Jigsaw Puzzles
Single-player alternative to Gizmos: Interstellar Voyage — playable solo, no multiplayer required. Shares Strategy and Indie with Gizmos: Interstellar Voyage.
The Number 1 Jigsaw Puzzle Game.
- 5

SpaceChem
Single-player alternative to Gizmos: Interstellar Voyage — playable solo, no multiplayer required. Shares Indie with Gizmos: Interstellar Voyage.
Zachtronics is back with an ambitious new design-based puzzle game. Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies. Construct elaborate factories to transform raw materials into valuable chemical products!
- 6

Kaizen: A Factory Story
Single-player alternative to Gizmos: Interstellar Voyage — playable solo, no multiplayer required. Shares Strategy with Gizmos: Interstellar Voyage.
Kaizen is an open-ended puzzle automation game from the original Zachtronics team, set in 1980s Japan. Design, build, and optimize production lines to create iconic products, like calculators, camcorders, and arcade machines.
- 7

StarVaders
Single-player alternative to Gizmos: Interstellar Voyage — playable solo, no multiplayer required. Shares Strategy and Indie with Gizmos: Interstellar Voyage.
Pilot a powerful mech to fight off the alien invasion in this ULTIMATE fusion of deckbuilding and grid-based tactics. Discover game-breaking combos, rewind time to alter your fate, and protect the future of humanity in this endlessly replayable roguelike.
- 8

Filament
Single-player alternative to Gizmos: Interstellar Voyage — playable solo, no multiplayer required. Shares Strategy and Indie with Gizmos: Interstellar Voyage.
Solve challenging cable-based puzzles and uncover what really happened to the crew of The Alabaster. Now with Hint System (for those ultra tricky puzzles).
- 9

Gizmos: Steampunk Nonograms
Single-player alternative to Gizmos: Interstellar Voyage — playable solo, no multiplayer required. Shares Strategy and Indie with Gizmos: Interstellar Voyage.
Solve challenging nonograms (also known as picross, griddlers, etc.) to decipher a message from a distant planet!
- 10

Gizmos: Spooky Adventures
Single-player alternative to Gizmos: Interstellar Voyage — playable solo, no multiplayer required. Shares Strategy and Indie with Gizmos: Interstellar Voyage.
Solve challenging nonograms! The citizens of Gizmo Land find themselves in great danger after an attempt to celebrate Halloween goes very wrong.
- 11

Amazing Pyramids: Rebirth
Single-player alternative to Gizmos: Interstellar Voyage — playable solo, no multiplayer required. Shares Strategy and Indie with Gizmos: Interstellar Voyage.
Amazing Pyramids are back! Lead a group of scientists through addicting word adventures! Play now and solve intricate word puzzles to unravel the secrets of an ancient city! Use your wits and vocabulary to survive the blistering sun!
- 12

Paint By Numbers
Single-player alternative to Gizmos: Interstellar Voyage — playable solo, no multiplayer required. Shares Indie and Casual with Gizmos: Interstellar Voyage.
The team of artists has just received an invitation to the Intergalactic Painting Tournament! Choose from 1000+ artworks and PAINT BY NUMBERS to bring them to life! Colorful pixel art adventures are coming!
- 13

RAIDS Inc.
Single-player alternative to Gizmos: Interstellar Voyage — playable solo, no multiplayer required. Shares Indie with Gizmos: Interstellar Voyage.
I fused different RPG mechanics trying to bring something fresh to the gaming community. Сlimb the bizarre towers! Fight with fascinating monsters! Loot! Gain experience! Upgrade your abilities and skills! All-inclusive in RAIDS Inc.!
- 14

Nonograms
Single-player alternative to Gizmos: Interstellar Voyage — playable solo, no multiplayer required. Shares Strategy and Indie with Gizmos: Interstellar Voyage.
Nonograms is a relaxing puzzle game where you use logic and creativity. Your goal is to reveal hidden pictures by filling in specific grid cells, based on numerical clues provided for each row and column. The games in this genre are also known as Picross, Griddlers, Pic-a-Pix, Hanjie, etc.