Games like Fish Bone
Games like Fish Bone include Rust, The Elder Scrolls Online - Standard Edition, Once Human, Monster Hunter: World, and Last Oasis. We matched them by the tags players give Fish Bone on Steam (Action, Adventure, RPG, Simulation, and MMORPG): closest matches first, and among equally close ones the better-known games.

Rust
Shared: Multiplayer · Adventure · Crafting

The Elder Scrolls Online - Standard Edition
Shared: RPG · Adventure · MMORPG

Once Human
Shared: Action · Multiplayer · Adventure

Monster Hunter: World
Shared: Action · RPG · Multiplayer

Last Oasis
Shared: Action · RPG · Adventure

Terraria
Shared: Adventure · Multiplayer · Exploration

ARK: Survival Evolved
Shared: Multiplayer · Adventure · Action

FINAL FANTASY XIV Online
Shared: RPG · MMORPG · Multiplayer

Portal Knights
Shared: Adventure · RPG · Multiplayer

Grand Theft Auto V Legacy
Shared: Action · Multiplayer · Adventure

Conan Exiles Enhanced
Shared: RPG · Multiplayer · Adventure

Neverwinter
Shared: RPG · Adventure · MMORPG

Hand Simulator: Survival
Shared: Adventure · Simulation · Multiplayer

The Forest
Shared: Adventure · Action · Crafting

Valheim
Shared: Multiplayer · Adventure · Exploration

PUBG: BATTLEGROUNDS
Shared: Action · Multiplayer · Adventure

Mount & Blade II: Bannerlord
Shared: RPG · Action · Multiplayer

Gloria Victis: Medieval MMORPG
Shared: Action · MMORPG · RPG

Gothic 1 Remake
Shared: Adventure · RPG · Action

Enshrouded
Shared: Multiplayer · RPG · Adventure

SMITE®
Shared: Action · Multiplayer · MMORPG

Raft
Shared: Multiplayer · Adventure · Crafting

Mount & Blade: Warband
Shared: RPG · Action · Multiplayer

Core Keeper
Shared: Exploration · Multiplayer · Action