Games like Lumber and Plunder
Games like Lumber and Plunder include Slime Rancher, The Long Dark, Wobbly Life, Terraria, and No Man's Sky. We matched them by the tags players give Lumber and Plunder on Steam (Adventure, Casual, Simulation, Sandbox, and Exploration): closest matches first, and among equally close ones the better-known games.

Slime Rancher
Shared: Adventure · Exploration · Colorful

The Long Dark
Shared: Exploration · Adventure · Atmospheric

Wobbly Life
Shared: Adventure · Sandbox · Simulation

Terraria
Shared: Sandbox · Adventure · Exploration

No Man's Sky
Shared: Exploration · Adventure · Open World

Don't Starve
Shared: Adventure · Sandbox · Crafting

Don't Starve Together
Shared: Adventure · Sandbox · Open World

Goat Simulator 3
Shared: Sandbox · Simulation · Exploration

SnowRunner
Shared: Simulation · Adventure · Exploration

The Forest
Shared: Adventure · Crafting · Open World

Garry's Mod
Shared: Sandbox · Casual · Simulation

SPORE™
Shared: Sandbox · Simulation · Casual

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Adventure

Starbound
Shared: Sandbox · Adventure · Crafting

My Time at Portia
Shared: Simulation · Casual · Adventure

A Game About Digging A Hole
Shared: Exploration · Sandbox · Simulation

Big Walk
Shared: Adventure · Exploration · Casual

Core Keeper
Shared: Exploration · Sandbox · Open World

Hello Kitty Island Adventure
Shared: Adventure · Simulation · Casual

Scrap Mechanic
Shared: Sandbox · Adventure · Open World

ABZU
Shared: Adventure · Exploration · Atmospheric

Sons Of The Forest
Shared: Open World · Adventure · Exploration

Fallout 4
Shared: Adventure · Exploration · Open World

Firewatch
Shared: Adventure · Atmospheric · Exploration