Games like King Arthur: Knight's Tale
Games like King Arthur: Knight's Tale include The Last Spell, Jagged Alliance 3, XCOM 2, Darkest Dungeon® II, and Darkest Dungeon®. We matched them by the tags players give King Arthur: Knight's Tale on Steam (Tactical RPG, Turn-Based Tactics, Dark Fantasy, RPG, and Turn-Based Combat): closest matches first, and among equally close ones the better-known games.

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

Jagged Alliance 3
Shared: Turn-Based Tactics · Tactical RPG · Turn-Based Combat

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

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

Darkest Dungeon®
Shared: Dark Fantasy · Turn-Based Combat · RPG

King Arthur: Legion IX
Shared: Tactical RPG · Dark Fantasy · Turn-Based Tactics

Warhammer 40,000: Rogue Trader
Shared: RPG · Choices Matter · Tactical RPG

STAR WARS Zero Company™
Shared: Turn-Based Tactics · Turn-Based Combat · Singleplayer

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

Battle Brothers
Shared: Turn-Based Tactics · RPG · Turn-Based Combat

XCOM®: Chimera Squad
Shared: Turn-Based Tactics · Singleplayer · Turn-Based

Mordheim: City of the Damned
Shared: RPG · Dark Fantasy · Turn-Based Tactics

Ash of Gods: Redemption
Shared: RPG · Turn-Based Combat · Dark Fantasy

Warhammer 40,000: Chaos Gate - Daemonhunters
Shared: Turn-Based Tactics · Choices Matter · Turn-Based Combat

Baldur's Gate 3
Shared: RPG · Turn-Based Combat · Choices Matter

The Banner Saga
Shared: Tactical RPG · RPG · Turn-Based

The Banner Saga 3
Shared: Turn-Based Tactics · RPG · Tactical RPG

Marvels Midnight Suns Digital Edition
Shared: Turn-Based Tactics · Tactical RPG · Turn-Based Combat

Inkbound
Shared: Tactical RPG · Turn-Based Tactics · Roguelite

King's Bounty II
Shared: RPG · Tactical RPG · Strategy

Wartales
Shared: RPG · Tactical RPG · Turn-Based Combat

TROUBLESHOOTER: Abandoned Children
Shared: Tactical RPG · Turn-Based Tactics · Turn-Based

Tactics Ogre: Reborn
Shared: Tactical RPG · Turn-Based Tactics · RPG

Lost Eidolons: Veil of the Witch
Shared: Turn-Based Tactics · Tactical RPG · Roguelite