Single-player games like Destination Gemini
Below are 11 single-player Steam games similar to Destination Gemini, 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 Destination Gemini page.
Ranked picks
- 1

Space Industry
Single-player alternative to Destination Gemini — playable solo, no multiplayer required. Shares Adventure with Destination Gemini.
Build and automate your own modular space fleet in this sandbox base-building game. Mine asteroids, expand your ship, fight enemies, explore new star systems, and uncover the deepest secrets of the universe.
- 2

Yuri's Resolve
Single-player alternative to Destination Gemini — playable solo, no multiplayer required. Shares Adventure with Destination Gemini.
Yuri’s Resolve is a single-player factory-building game set in Mars' orbit. Salvage wreckage, mine Phobos, construct manufacturing systems, and forge a path back home. Operate from the immersive cockpit of your ship as Yuri’s Resolve delivers a bold, innovative take on the factory building genre.
- 3

HAS Galactics
Single-player alternative to Destination Gemini — playable solo, no multiplayer required.
HAS Galactics is a top-down factory builder. Design your own rocket, automate your production lines, balance your reputation between the Galactic Factions and complete daring missions. Start from a humble beginning… to a thriving galactic mega-factory!
- 4

Alien Battlefield
Single-player alternative to Destination Gemini — playable solo, no multiplayer required. Shares Casual with Destination Gemini.
Destroy alien spores to earn star coins. Unlock talents, skills, captains, new maps and spores. Upgrade your warship and enjoy incremental idle progression.
- 5

Untethered
Single-player alternative to Destination Gemini — playable solo, no multiplayer required. Shares Adventure with Destination Gemini.
Untethered is a space survival-sandbox set in our own cosmic backyard. Explore zero-gravity environments, build and operate realistic space stations, and fight to stay alive in the unforgiving realm of deep space.
- 6

Stellar Wreck
Single-player alternative to Destination Gemini — playable solo, no multiplayer required. Shares Adventure with Destination Gemini.
Repair your spaceship, explore mysterious planets, battle strange creatures, and survive in this sci-fi sandbox RPG where every journey becomes a new adventure.
- 7

Interstellaria
Single-player alternative to Destination Gemini — playable solo, no multiplayer required. Shares Adventure with Destination Gemini.
Managing a fleet across a dangerous galaxy. Every star and planet holds untold riches and dangers. Each encounter will require skills in trading, diplomacy, and combat. Allocate power to engines, charge all weapons, and take on the worst the galaxy has to handle.
- 8

Unlimited
Single-player alternative to Destination Gemini — playable solo, no multiplayer required. Shares Adventure with Destination Gemini.
Unlimited is a new generation voxel world game in a mysterious universe. Together with unlimited possibilities and an immersive story, we aim to make the best voxel world game. If you enjoy any other voxel game, you will probably enjoy this game even more.
- 9

World War 2 Operation Husky
Single-player alternative to Destination Gemini — playable solo, no multiplayer required.
A light wargame with simple rules tailored to run smooth battles. Recommended to introduce new players to wargames basic concepts and for fast multiplayer matches.
- 10

Ace Pilot Europe
Single-player alternative to Destination Gemini — playable solo, no multiplayer required.
Arcade style World War 2 aircraft game. Control multiple fighters in dogfights. Fly bombing run with B25 and B17. Hunt submarines with a B24. Drop paratroopers in a C47. Attack trains. 10 different missions over Europe. This is my second indie game and it's a lot of fun.
- 11

Ace Pilot Pacific
Single-player alternative to Destination Gemini — playable solo, no multiplayer required. Shares Casual with Destination Gemini.
Dive into ‘Ace Pilot Pacific,’ an arcade-style air combat game set in the WW2 Pacific theater. Pilot one of six distinct aircrafts through combat-intensive maps, engaging enemy fighters in high-speed dogfights. With your wingmen, rise as an Ace.