Single-player games like Ecliptica
Below are 8 single-player Steam games similar to Ecliptica, 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 Ecliptica page.
Ranked picks
- 1

Highreach
Single-player alternative to Ecliptica — playable solo, no multiplayer required. Shares Action and Indie with Ecliptica.
When calamity struck, the world of Highreach was shattered. In this open-world survival game, build encampments, rescue survivors, and soar across the skies on your airship to explore a lost world and uncover the truth.
- 2

Woodland Rebels
Single-player alternative to Ecliptica — playable solo, no multiplayer required. Shares Indie and Adventure with Ecliptica.
Survive an untamed world where humans, animal villagers and wild animals all coexist, but not in harmony. Craft, farm, cook, and assign roles to villagers. Explore various biomes and muster an animal rebellion to fight back against human invaders.
- 3

StarRupture
Single-player alternative to Ecliptica — playable solo, no multiplayer required. Shares Action and Indie with Ecliptica.
StarRupture is a first-person open world base-building game with advanced combat and tons of exploration. Play alone or in a group on this sublime and ever-changing planet, extract and manage resources, create your complex industrial system and fight off hordes of alien monsters.
- 4

Shamania
Single-player alternative to Ecliptica — playable solo, no multiplayer required. Shares Action and Adventure with Ecliptica.
Shamania is an open world survival game where you can CRAFT, FIGHT, and EXPLORE a vibrant sandbox world with friends in CO-OP. Expand your base as a hub for survival, gather resources, and master professions to unlock new tools and opportunities!
- 5

Autonomica
Single-player alternative to Ecliptica — playable solo, no multiplayer required. Shares Indie and Adventure with Ecliptica.
Autonomica is a survival automation game set in an alternate 1980s. Build supply chains where farming fuels chemistry and mining drives manufacturing. Play solo or co-op to rebuild a world fractured by failed time experiments, then launch time-jump extractions into unstable futures for rare tech.
- 6

Stationeers
Single-player alternative to Ecliptica — playable solo, no multiplayer required. Shares Action and Indie with Ecliptica.
Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!
- 7

Ars Notoria
Single-player alternative to Ecliptica — playable solo, no multiplayer required. Shares Action and Adventure with Ecliptica.
Ars Notoria is an open-world survival crafting game set in a rich fantasy world. Learn six distinct schools of magic, gather resources, build your base, expand your influence, and stand against the ever-shifting threat of the Enthralled. You are the one destined to change the kingdom.
- 8

Hammerting
Single-player alternative to Ecliptica — playable solo, no multiplayer required. Shares Strategy and Indie with Ecliptica.
Manage a Dwarven mining colony in the unexplored mountains of Mara. As conflict rages in the Overworld, you will need to craft, explore and fight as you provide the allies of your choice with the finest weapons and gear to assist them in the battle for glory.