Games like IdleTale
Games like IdleTale include Path of Exile, Grim Dawn, Path of Exile 2, Dragon Cliff, and The Slormancer. We matched them by the tags players give IdleTale on Steam (RPG, Hack and Slash, Incremental, Automation, and Auto Battler): closest matches first, and among equally close ones the better-known games.

Path of Exile
Shared: Hack and Slash · RPG · Dungeon Crawler

Grim Dawn
Shared: Hack and Slash · RPG · Dungeon Crawler

Path of Exile 2
Shared: Hack and Slash · RPG · Dungeon Crawler

Dragon Cliff
Shared: RPG · Incremental · Pixel Graphics

The Slormancer
Shared: Hack and Slash · RPG · Dungeon Crawler

Wolcen: Lords of Mayhem
Shared: Hack and Slash · RPG · Dungeon Crawler

Torchlight II
Shared: RPG · Hack and Slash · Dungeon Crawler

Moonlighter
Shared: Hack and Slash · RPG · Dungeon Crawler

Graveyard Keeper
Shared: RPG · Pixel Graphics · Simulation

Incremental Epic Hero 2
Shared: Hack and Slash · RPG · Automation

Orc Incremental
Shared: Incremental · RPG · Auto Battler

Tower Wizard
Shared: Incremental · Resource Management · RPG

Stardew Valley
Shared: RPG · Pixel Graphics · Simulation

Chronicon
Shared: Hack and Slash · RPG · Dungeon Crawler

Exanima
Shared: RPG · Dungeon Crawler · Medieval

Crusaders Quest : Hero Town
Shared: RPG · Incremental · Pixel Graphics

Book of Demons
Shared: Hack and Slash · RPG · Dungeon Crawler

Fortune Mill
Shared: Incremental · Automation · Simulation

Last Epoch
Shared: Hack and Slash · RPG · Dungeon Crawler

The Mageseeker: A League of Legends Story™
Shared: RPG · Hack and Slash · Pixel Graphics

Bones and Coins
Shared: Incremental · Auto Battler · Dungeon Crawler

Touhou Mystia's Izakaya
Shared: RPG · Simulation · Pixel Graphics

Book of Yog Idle RPG
Shared: Hack and Slash · Auto Battler · Simulation

Regions Of Ruin
Shared: RPG · Hack and Slash · Pixel Graphics