Games like Next King
Games like Next King include The Last Spell, Darkest Dungeon® II, Darkest Dungeon®, Stoneshard, and Into the Breach. We matched them by the tags players give Next King on Steam (RPG, Strategy, Puzzle, Dark Fantasy, and Party-Based RPG): closest matches first, and among equally close ones the better-known games.

The Last Spell
Shared: Strategy · RPG · Turn-Based Tactics

Darkest Dungeon® II
Shared: Dark Fantasy · Turn-Based Tactics · Singleplayer

Darkest Dungeon®
Shared: RPG · Dark Fantasy · Strategy

Stoneshard
Shared: RPG · Strategy · 2D

Into the Breach
Shared: Strategy · Turn-Based Tactics · Puzzle

XCOM 2
Shared: Strategy · RPG · Turn-Based Tactics

The Escapists
Shared: Strategy · 2D · Singleplayer

Dragon Age: Origins - Ultimate Edition
Shared: RPG · Party-Based RPG · Singleplayer

Limbus Company
Shared: Strategy · Turn-Based Tactics · RPG

Sultan's Game
Shared: RPG · Strategy · Singleplayer

Fell Seal: Arbiter's Mark
Shared: RPG · Strategy · Turn-Based Tactics

Our Adventurer Guild
Shared: RPG · Party-Based RPG · Turn-Based Tactics

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

SteamWorld Heist
Shared: Strategy · RPG · Indie

Mini Metro
Shared: Strategy · Puzzle · Singleplayer

Iratus: Lord of the Dead
Shared: RPG · Strategy · Dark Fantasy

Mordheim: City of the Damned
Shared: RPG · Strategy · Dark Fantasy

Path of Idle: Old Gods Rising
Shared: RPG · Strategy · Party-Based RPG

Ash of Gods: Redemption
Shared: RPG · Singleplayer · Dark Fantasy

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

The Dungeon Of Naheulbeuk: The Amulet Of Chaos
Shared: RPG · Strategy · Turn-Based Tactics

Firework
Shared: Puzzle · 2D · Indie

Word Game
Shared: Puzzle · Strategy · RPG

DemonCrawl
Shared: Strategy · RPG · Puzzle