Games like Idle Knight
Games like Idle Knight include Idle Champions of the Forgotten Realms, Marvel Rivals, Palia, Crusaders Quest : Hero Town, and Tiny Pasture. We matched them by the tags players give Idle Knight on Steam (Desktop Companion, Cute, Free to Play, Early Access, and Incremental): closest matches first, and among equally close ones the better-known games.

Idle Champions of the Forgotten Realms
Shared: Free to Play · Idler · Incremental

Marvel Rivals
Shared: Free to Play · Multiplayer · PvP

Palia
Shared: Free to Play · Cozy · Multiplayer

Crusaders Quest : Hero Town
Shared: Desktop Companion · Cute · Idler

Tiny Pasture
Shared: Cute · Idler · Incremental

Apex Legends™
Shared: Free to Play · Multiplayer · PvP

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

SMITE®
Shared: Free to Play · Multiplayer · Action

Ropuka's Idle Island
Shared: Desktop Companion · Idler · Cozy

Firestone – Idle Clicker Online RPG
Shared: Incremental · Idler · RPG

Dragon Cliff
Shared: Idler · Incremental · Loot

Deskrawl: Idle ARPG
Shared: Desktop Companion · Idler · Incremental

Cookie Clicker
Shared: Incremental · Idler · Casual

Brawlhalla
Shared: Free to Play · Multiplayer · Casual

Destiny 2
Shared: Free to Play · Multiplayer · Loot

How to Train Your Cock
Shared: Desktop Companion · Idler · Incremental

Tap Tap Loot
Shared: Desktop Companion · Incremental · Cute

Cornerpond
Shared: Desktop Companion · Incremental · Idler

Outcore: Desktop Adventure
Shared: Desktop Companion · Free to Play · Cute

Spirit City: Lofi Sessions
Shared: Desktop Companion · Cozy · Idler

Albion Online
Shared: Free to Play · Multiplayer · RPG

skate.
Shared: Free to Play · Multiplayer · Early Access

Paladins®
Shared: Free to Play · Multiplayer · Action

Maltese's Fluffy Onsen
Shared: Desktop Companion · Cute · Idler