Games like The Journey Never Ends: Leviathan
Games like The Journey Never Ends: Leviathan include Terraria, Darkwood, Look Outside, Stray, and SUNLESS SEA. We matched them by the tags players give The Journey Never Ends: Leviathan on Steam (RPG, JRPG, Cyberpunk, Survival, and Adventure): closest matches first, and among equally close ones the better-known games.

Terraria
Shared: Survival · Adventure · 2D

Darkwood
Shared: Horror · Adventure · RPG

Look Outside
Shared: RPG · Horror · Adventure

Stray
Shared: Adventure · Cyberpunk · Exploration

SUNLESS SEA
Shared: Survival · Exploration · RPG

The Forest
Shared: Survival · Horror · Adventure

Tales of the Black Forest
Shared: RPG · Horror · Adventure

Welcome to Elderfield
Shared: RPG · Horror · Adventure

Cyberpunk 2077
Shared: Cyberpunk · RPG · Exploration

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

Subnautica
Shared: Survival · Horror · Exploration

OMORI
Shared: RPG · Horror · Indie

Persona 3 Reload
Shared: JRPG · RPG · Anime

Subnautica 2
Shared: Survival · Horror · Exploration

Rain World
Shared: Survival · Exploration · Atmospheric

Fallout 4
Shared: RPG · Adventure · Exploration

Shin Megami Tensei V: Vengeance
Shared: RPG · JRPG · Adventure

Outlast
Shared: Horror · Survival · Adventure

Metaphor: ReFantazio
Shared: RPG · JRPG · Adventure

FINAL FANTASY VI
Shared: RPG · JRPG · Adventure

Sons Of The Forest
Shared: Survival · Horror · Adventure

Chained Echoes
Shared: RPG · JRPG · Exploration

FINAL FANTASY VII
Shared: RPG · JRPG · Adventure

Pocket Mirror ~ GoldenerTraum
Shared: RPG · Horror · Adventure