Games like 决战万界山 - 豪华升级包
Games like 决战万界山 - 豪华升级包 include Albion Online, Neverwinter, The Elder Scrolls Online - Standard Edition, Black Desert, and Foxhole. We matched them by the tags players give 决战万界山 - 豪华升级包 on Steam (Action, MMORPG, Sandbox, Massively Multiplayer, and Wargame): closest matches first, and among equally close ones the better-known games.

Albion Online
Shared: MMORPG · Massively Multiplayer · Sandbox

Neverwinter
Shared: MMORPG · Massively Multiplayer · Action

The Elder Scrolls Online - Standard Edition
Shared: MMORPG · Action · Massively Multiplayer

Black Desert
Shared: Sandbox · MMORPG · PvP

Foxhole
Shared: Massively Multiplayer · Wargame · Sandbox

Rust
Shared: Sandbox · PvP · Action

Guild Wars 2®
Shared: MMORPG · Massively Multiplayer · Adventure

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

Last Oasis
Shared: Massively Multiplayer · Action · Adventure

NARAKA: BLADEPOINT
Shared: Action · Martial Arts · Massively Multiplayer

Cultivation Tales
Shared: Sandbox · Action · Massively Multiplayer

Gloria Victis: Medieval MMORPG
Shared: MMORPG · Action · Massively Multiplayer

Pax Dei
Shared: MMORPG · Sandbox · Action

PUBG: BATTLEGROUNDS
Shared: Action · PvP · Massively Multiplayer

Blue Protocol: Star Resonance
Shared: MMORPG · Action · Massively Multiplayer

Mortal Online 2
Shared: MMORPG · Sandbox · PvP

Terraria
Shared: Sandbox · Adventure · Action

Absolver
Shared: Action · Martial Arts · PvP

STALZONE
Shared: MMORPG · Online Co-Op · Action

Dark and Light
Shared: Massively Multiplayer · Sandbox · MMORPG

DRAGON BALL XENOVERSE 2
Shared: Action · Massively Multiplayer · Adventure

Once Human
Shared: Action · Massively Multiplayer · Sandbox

Farever
Shared: Action · Massively Multiplayer · Online Co-Op

Trove
Shared: MMORPG · Sandbox · PvP