Games like 幻想三国志3
Games like 幻想三国志3 include Mount & Blade II: Bannerlord, Mount & Blade: Warband, SMITE 2, Caster, and Middle-earth: Shadow of War. We matched them by the tags players give 幻想三国志3 on Steam (Casual, Adventure, Action, Strategy, and RPG): closest matches first, and among equally close ones the better-known games.

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

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

SMITE 2
Shared: Action · Strategy · Adventure

Caster
Shared: Action · Adventure · Casual

Middle-earth: Shadow of War
Shared: Action · RPG · Adventure

God of War
Shared: Action · Adventure · Singleplayer

Plebby Quest: The Crusades
Shared: Casual · Strategy · Adventure

DAVE THE DIVER
Shared: Casual · Adventure · Singleplayer

Black Myth: Wukong
Shared: Action · RPG · Singleplayer

Crimson Desert Enhanced
Shared: Action · Adventure · Singleplayer

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

Idle Champions of the Forgotten Realms
Shared: Strategy · Adventure · Singleplayer

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Adventure · Singleplayer

Dead Age
Shared: RPG · Strategy · Adventure

Kingdom Rush - Tower Defense
Shared: Strategy · Casual · Singleplayer

Cat Quest
Shared: Adventure · RPG · Action

FINAL FANTASY VII REBIRTH
Shared: Adventure · Action · RPG

Fallout 4
Shared: Adventure · Singleplayer · RPG

Swords and Sandals Classic Collection
Shared: Strategy · Action · RPG

The Dungeon Of Naheulbeuk: The Amulet Of Chaos
Shared: Adventure · RPG · Strategy

BioShock Infinite
Shared: Action · Adventure · Singleplayer

Kingdom Come: Deliverance II
Shared: RPG · Singleplayer · Adventure

Home Behind
Shared: Adventure · Casual · RPG

Dragon Age™: The Veilguard
Shared: RPG · Singleplayer · Strategy