Games like Stash
Games like Stash include Albion Online, Rust, Neverwinter, Once Human, and Trove. We matched them by the tags players give Stash on Steam (Massively Multiplayer, RPG, Adventure, Free to Play, and Indie): closest matches first, and among equally close ones the better-known games.

Albion Online
Shared: Massively Multiplayer · Free to Play · RPG

Rust
Shared: Multiplayer · Adventure · Crafting

Neverwinter
Shared: RPG · Massively Multiplayer · Free to Play

Once Human
Shared: Free to Play · Multiplayer · Building

Trove
Shared: Free to Play · MMORPG · RPG

Where Winds Meet
Shared: Free to Play · Multiplayer · Adventure

Guild Wars 2®
Shared: Adventure · RPG · Free to Play

Last Oasis
Shared: Massively Multiplayer · RPG · Adventure

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

Terraria
Shared: Adventure · Multiplayer · Sandbox

Conan Exiles Enhanced
Shared: RPG · Building · Massively Multiplayer

Star Trek Online
Shared: Massively Multiplayer · Free to Play · RPG

FINAL FANTASY XIV Online
Shared: RPG · Massively Multiplayer · MMORPG

Destiny 2
Shared: Free to Play · Multiplayer · MMORPG

ARK: Survival Evolved
Shared: Multiplayer · Adventure · Building

ARK: Survival Ascended
Shared: Multiplayer · Adventure · Building

Don't Starve Together
Shared: Adventure · Multiplayer · Indie

Temtem
Shared: RPG · Multiplayer · Turn-Based Combat

Path of Exile
Shared: Free to Play · RPG · Multiplayer

The Quinfall
Shared: Massively Multiplayer · RPG · Adventure

Palworld
Shared: Multiplayer · Indie · Adventure

Blue Protocol: Star Resonance
Shared: Free to Play · Adventure · RPG

SMITE®
Shared: Free to Play · Multiplayer · MMORPG

Project: Gorgon
Shared: Massively Multiplayer · RPG · Indie