Games like Hold the Line
Games like Hold the Line include Terraria, Oxygen Not Included, Forager, Factorio, and Satisfactory. We matched them by the tags players give Hold the Line on Steam (Survival, Roguelite, Base Building, Crafting, and Resource Management): closest matches first, and among equally close ones the better-known games.

Terraria
Shared: Survival · Crafting · Pixel Graphics

Oxygen Not Included
Shared: Survival · Base Building · Resource Management

Forager
Shared: Survival · Crafting · Pixel Graphics

Factorio
Shared: Base Building · Resource Management · Crafting

Satisfactory
Shared: Base Building · Crafting · Resource Management

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

Core Keeper
Shared: Survival · Crafting · Base Building

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

Don't Starve
Shared: Survival · Crafting · Perma Death

Valheim
Shared: Survival · Crafting · Base Building

Raft
Shared: Survival · Crafting · Base Building

The Forest
Shared: Survival · Crafting · Building

The Last Caretaker
Shared: Survival · Base Building · Crafting

The Planet Crafter
Shared: Survival · Base Building · Crafting

Enshrouded
Shared: Survival · Base Building · Crafting

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

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

Subnautica
Shared: Survival · Crafting · Base Building

Romestead
Shared: Crafting · Survival · Procedural Generation

Sheltered
Shared: Survival · Base Building · Resource Management

Scrap Mechanic
Shared: Survival · Building · Crafting

Medieval Dynasty
Shared: Crafting · Survival · Building

V Rising
Shared: Survival · Base Building · Crafting

Frostpunk
Shared: Survival · Resource Management · Base Building