Single-player games like helionaut
Below are 16 single-player Steam games similar to helionaut, 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 helionaut page.
Ranked picks
- 1
No Man's Sky
Single-player alternative to helionaut — playable solo, no multiplayer required. Shares Action and Adventure with helionaut.
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
- 2
Starbound
Single-player alternative to helionaut — playable solo, no multiplayer required. Shares Action and Indie with helionaut.
You’ve fled your home, only to find yourself lost in space with a damaged ship. Your only option is to beam down to the planet below, repair your ship and set off to explore the universe...
- 3
Heliopedia
Single-player alternative to helionaut — playable solo, no multiplayer required. Shares Indie and Simulation with helionaut.
A fictional universe sandbox/exploration game. 🪐☄️✨ Shape your own solar system by terraforming planets. Find new species and make beautiful ecosystems . . . or breed destruction with volcanos, lightning storms and wildfires!
- 4
Phoning Home
Single-player alternative to helionaut — playable solo, no multiplayer required. Shares Action and Indie with helionaut.
A tale of survival about two shipwrecked robots - ION and ANI - on their life-defining journey in this unique genre-mix of exploration, puzzle and survival.
- 5
Space Trash Scavenger
Single-player alternative to helionaut — playable solo, no multiplayer required. Shares Action and Indie with helionaut.
Grab your jetpack and explore procedural asteroid fields, derelict spaceships and abandoned outposts. Build and automate your Space Rig to process scavenged trash. Craft, trade and fight your way home in this interstellar, open-world survival sandbox.
- 6
TerraTech Worlds
Single-player alternative to helionaut — playable solo, no multiplayer required. Shares Action and Indie with helionaut.
TerraTech Worlds is an open world, build-craft adventure game, set on an uncharted alien world. Play solo or with friends, explore your surroundings, craft unique vehicles, construct automated bases, and battle your way through hazards and enemies to harness the power of your environment
- 7
Core Keeper
Single-player alternative to helionaut — playable solo, no multiplayer required. Shares Action and Indie with helionaut.
Explore a vast cavern of creatures, relics and resources in a mining sandbox adventure for 1-8 players. Mine, build, fight, craft and farm to unravel the mystery of the ancient Core.
- 8
Astrox: Hostile Space Excavation
Single-player alternative to helionaut — playable solo, no multiplayer required. Shares Indie and Adventure with helionaut.
Exiled to a deep space mining sector, you are left with a crappy ship, a laser, and a small mining beam. It is up to you to survive by working your way through the galaxy. Mine asteroids, refine and trade the ore, buy upgrades for your ship, hunt pirates... you get it.
- 9
Stacklands
Single-player alternative to helionaut — playable solo, no multiplayer required. Shares Indie and Simulation with helionaut.
Stacklands is a village builder where you stack cards to collect food, build structures, and fight creatures. 🃏 For example, dragging a Villager card on top of a Berry Bush card will spawn Berry cards which the villagers can eat to survive. 🃏 Play your cards right and expand your village!
- 10
Simmiland
Single-player alternative to helionaut — playable solo, no multiplayer required. Shares Indie and Simulation with helionaut.
Simmiland is a god-like card game. In this game you indirectly influence a small civilization by manipulating their surroundings by playing cards 🃏🃏🃏 Playing cards on different biomes and objects will result in different findings. The way you play the game will define how mankind will develop!
- 11
Grunn
Single-player alternative to helionaut — playable solo, no multiplayer required. Shares Indie and Adventure with helionaut.
A gardener gets hired for maintenance work over the weekend. A simple task, but strangely some tools are missing… The owner of the garden isn't around, and their house is off-limits. Perhaps new tools can be found in the mysterious town, or maybe some of the reserved townsfolk have seen them?
- 12
pyramida
Single-player alternative to helionaut — playable solo, no multiplayer required. Shares Indie with helionaut.
A village builder / survival game. Expand your village by day and fight monsters at night. Learn how to survive, and try to prevent your imminent demise . . .
- 13
clickyland
Single-player alternative to helionaut — playable solo, no multiplayer required.
clickyland is a tower defense village builder where clicks are your main resource. Use clicks to harvest resources, fight enemies and manage your village, but use them wisely as you only get 20 clicks every day! Can you reach day 100?
- 14
fishy
Single-player alternative to helionaut — playable solo, no multiplayer required. Shares Action and Indie with helionaut.
A game about a hungry fish 🐟 Eat to grow bigger, but watch out for fishes bigger than you! Grow big, strong and explore! Can you escape the pond?
- 15
White Lavender
Single-player alternative to helionaut — playable solo, no multiplayer required. Shares Indie and Adventure with helionaut.
A challenging adventure game with RPG-elements. Be a bug, fight other critters with swords and magic, collect powerful items such as pencils and teaspoons, meet cool characters, and up your fashion game on a journey to brew a special tea!
- 16
Luckitown
Single-player alternative to helionaut — playable solo, no multiplayer required. Shares Indie and Simulation with helionaut.
Luckitown is a turn-based tower defense where you roll dice to build new structures and cast spells to defend your town.