Games like Lantern Forge
Games like Lantern Forge include Terraria, Don't Starve, Rust, Don't Starve Together, and Project Zomboid. We matched them by the tags players give Lantern Forge on Steam (RPG, Adventure, Sandbox, Survival, and Crafting): closest matches first, and among equally close ones the better-known games.

Terraria
Shared: Sandbox · Survival · Adventure

Don't Starve
Shared: Survival · Adventure · Crafting

Rust
Shared: Survival · Crafting · Sandbox

Don't Starve Together
Shared: Survival · Adventure · Crafting

Project Zomboid
Shared: Survival · Sandbox · Crafting

Portal Knights
Shared: Adventure · RPG · Sandbox

Graveyard Keeper
Shared: RPG · Crafting · Sandbox

Palworld
Shared: Survival · Crafting · Adventure

Forager
Shared: Survival · Crafting · Sandbox

ARK: Survival Ascended
Shared: Survival · Adventure · Crafting

The Forest
Shared: Survival · Adventure · Crafting

Starbound
Shared: Sandbox · Survival · Adventure

Enshrouded
Shared: Survival · RPG · Adventure

Dune: Awakening
Shared: Survival · Adventure · Sandbox

The Long Dark
Shared: Survival · Adventure · Singleplayer

Last Oasis
Shared: RPG · Survival · Adventure

ARK: Survival Evolved
Shared: Survival · Adventure · Crafting

Conan Exiles Enhanced
Shared: Survival · RPG · Crafting

Kenshi
Shared: Sandbox · RPG · Survival

The Scroll of Taiwu : Beyond The Dome
Shared: RPG · Sandbox · Adventure

My Time at Portia
Shared: RPG · Crafting · Adventure

Scrap Mechanic
Shared: Sandbox · Survival · Crafting

Raft
Shared: Survival · Crafting · Adventure

Crashlands
Shared: RPG · Survival · Sandbox