Games like SkyFab
Games like SkyFab include Sons Of The Forest, The Forest, Satisfactory, Forever Skies, and The Long Dark. We matched them by the tags players give SkyFab on Steam (Base Building, Crafting, Building, First-Person, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Sons Of The Forest
Shared: Base Building · Crafting · Building

The Forest
Shared: Crafting · Building · First-Person

Satisfactory
Shared: Base Building · Crafting · Building

Forever Skies
Shared: Base Building · Singleplayer · Crafting

The Long Dark
Shared: Atmospheric · First-Person · Crafting

Raft
Shared: Crafting · Base Building · Building

Subnautica
Shared: Crafting · Base Building · Singleplayer

Scrap Mechanic
Shared: Building · Crafting · Base Building

The Last Caretaker
Shared: Crafting · Base Building · First-Person

Medieval Dynasty
Shared: Crafting · Building · Base Building

ARK: Survival Evolved
Shared: Crafting · Building · Base Building

This War of Mine
Shared: Atmospheric · Base Building · Singleplayer

Once Human
Shared: Building · Crafting · Base Building

Volcanoids
Shared: Crafting · Base Building · Building

Green Hell
Shared: Crafting · Base Building · Singleplayer

Schedule I
Shared: Crafting · First-Person · Base Building

Enshrouded
Shared: Base Building · Crafting · Building

Valheim
Shared: Building · Crafting · Base Building

The Planet Crafter
Shared: Base Building · Building · Crafting

Pacific Drive
Shared: Crafting · Atmospheric · Exploration

The Infected
Shared: Base Building · Singleplayer · Crafting

Kingdom Two Crowns
Shared: Base Building · Building · Singleplayer

Rust
Shared: Crafting · Building · First-Person

ARK: Survival Ascended
Shared: Base Building · Crafting · Building