Games like Nano Nebula
Games like Nano Nebula include Deliver Us The Moon, Outer Wilds, BONEWORKS, Half-Life 2, and Stray. We matched them by the tags players give Nano Nebula on Steam (Action, Adventure, Indie, Casual, and Exploration): closest matches first, and among equally close ones the better-known games.

Deliver Us The Moon
Shared: Adventure · Action · Indie

Outer Wilds
Shared: Adventure · Exploration · Space

BONEWORKS
Shared: Action · VR · Adventure

Half-Life 2
Shared: Action · FPS · Adventure

Stray
Shared: Adventure · Exploration · Atmospheric

No Man's Sky
Shared: Exploration · Adventure · Space

Rise of the Tomb Raider™
Shared: Action · Adventure · Exploration

COCOON
Shared: Adventure · Indie · Exploration

Fallout 4
Shared: Adventure · Exploration · Action

Atomic Heart
Shared: Adventure · Action · FPS

Pikuniku
Shared: Adventure · Indie · Casual

Black Mesa
Shared: Action · FPS · Sci-fi

Slime Rancher
Shared: Adventure · Exploration · Casual

Tomb Raider Game of the Year
Shared: Action · Adventure · Exploration

Ori and the Will of the Wisps
Shared: Action · Adventure · Exploration

STAR WARS Jedi: Survivor™
Shared: Action · Adventure · Sci-fi

Donut County
Shared: Indie · Casual · Adventure

Half-Life: Alyx
Shared: VR · FPS · Action

Chants of Sennaar
Shared: Adventure · Indie · Puzzle

BONELAB
Shared: Action · VR · FPS

FAR: Lone Sails
Shared: Adventure · Indie · Exploration

BioShock Infinite
Shared: Action · Adventure · FPS

Elite Dangerous
Shared: Exploration · Space · Action

PEAK
Shared: Adventure · Exploration · Physics