Single-player games like Nano Nebula
Below are 9 single-player Steam games similar to Nano Nebula, 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 Nano Nebula page.
Ranked picks
- 1

Malicious Payload
Single-player alternative to Nano Nebula — playable solo, no multiplayer required. Shares Action and Indie with Nano Nebula.
Space pirates invaded your ship, they hacked your mainframe and gained controll of your robots. Your fellow robots turned into murdering robots. You need to find who responsible for this as a guard of your ship. Let him pay for what he done and get back what belongs to you.
- 2

Warchasm
Single-player alternative to Nano Nebula — playable solo, no multiplayer required. Shares Action and Indie with Nano Nebula.
Battle hordes of murderous mechs as you hurtle through the canyons, chasms and caves of an alien world in a desperate bid for survival.
- 3

Boiling Steel
Single-player alternative to Nano Nebula — playable solo, no multiplayer required. Shares Action and Indie with Nano Nebula.
"Boiling Steel" - is a sci-fi story-based FPS VR shooter. You are one of many who set off in search of a better life in the distant bastion of scientific progress. Immerse yourself in the thick of events and witness the inexplicable global cataclysm.
- 4

Regenesis Arcade Lite
Single-player alternative to Nano Nebula — playable solo, no multiplayer required. Shares Action and Adventure with Nano Nebula.
Regenesis Arcade is VR sci-fi shooter set in dystopian future ran by machines. Fighting the deadly killing machines will not be easy. Coming from all directions, covering both ground and air, each enemy requires different tactical approach.
- 5

Dream Mirror
Single-player alternative to Nano Nebula — playable solo, no multiplayer required. Shares Action and Adventure with Nano Nebula.
You are transported to a magical world where you can Interact with immersive environments to solve challenging puzzles. Where you get to find different types of mystical ancient devices in the form of keys, which will help you to open portals to different worlds.
- 6

Fragment of Humanity
Single-player alternative to Nano Nebula — playable solo, no multiplayer required. Shares Action and Indie with Nano Nebula.
a first person virtual reality game explore a lab full of dangers, fight creatures.
- 7

Galactic Rangers VR
Single-player alternative to Nano Nebula — playable solo, no multiplayer required. Shares Action and Indie with Nano Nebula.
Galactic Rangers VR is a first-person space action VR game, deeply immersive, just as arcade shooter should be. Grab your pair of blasters and fight through endless waves of enemies for as long as you can!
- 8

BONEWORKS
Single-player alternative to Nano Nebula — playable solo, no multiplayer required. Shares Action and Indie with Nano Nebula.
BONEWORKS is an Experimental Physics VR Adventure. Use found physics weapons, tools, and objects to fight across dangerous playscapes and mysterious architecture.
- 9

Kindled Cavern
Single-player alternative to Nano Nebula — playable solo, no multiplayer required. Shares Action and Indie with Nano Nebula.
Kindled Cavern is a cave exploration adventure for Virtual Reality filled with sights to behold. Waterfalls, bamboo forests, giant turtles, abandoned bridges and scaffolding, subterranian lakes, and ancient arches fill this explorable cavern. Not to mention the ghosts!