Games like The Alters: Last Variable
Games like The Alters: Last Variable include The Alters, Oxygen Not Included, RimWorld, This War of Mine, and Dune: Awakening. We matched them by the tags players give The Alters: Last Variable on Steam (Survival, Base Building, Management, Sci-fi, and Exploration): closest matches first, and among equally close ones the better-known games.

The Alters
Shared: Survival · Base Building · Management

Oxygen Not Included
Shared: Base Building · Survival · Management

RimWorld
Shared: Base Building · Survival · Management

This War of Mine
Shared: Survival · Base Building · Strategy

Dune: Awakening
Shared: Survival · Base Building · Exploration

Factorio
Shared: Base Building · Survival · Strategy

Subnautica
Shared: Survival · Exploration · Base Building

The Last Caretaker
Shared: Survival · Base Building · Management

No Man's Sky
Shared: Survival · Sci-fi · Exploration

Space Haven
Shared: Base Building · Survival · Management

ASTRONEER
Shared: Survival · Base Building · Exploration

The Planet Crafter
Shared: Base Building · Survival · Exploration

Satisfactory
Shared: Base Building · Exploration · Crafting

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

Abiotic Factor
Shared: Survival · Base Building · Sci-fi

Subnautica: Below Zero
Shared: Survival · Base Building · Exploration

Sons Of The Forest
Shared: Survival · Base Building · Exploration

Frostpunk
Shared: Survival · Strategy · Base Building

Dyson Sphere Program
Shared: Base Building · Sci-fi · Management

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

Valheim
Shared: Survival · Base Building · Exploration

Enshrouded
Shared: Survival · Base Building · Exploration

Breathedge
Shared: Survival · Base Building · Sci-fi

Grounded
Shared: Survival · Base Building · Adventure