Games like Arxanum Idle
Games like Arxanum Idle include Melvor Idle, Idle Champions of the Forgotten Realms, Swords and Souls: Neverseen, Bloobs Adventure Idle, and Cookie Clicker. We matched them by the tags players give Arxanum Idle on Steam (Indie, Idler, RPG, Casual, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Melvor Idle
Shared: Idler · RPG · Indie

Idle Champions of the Forgotten Realms
Shared: Idler · Indie · Adventure

Swords and Souls: Neverseen
Shared: Indie · RPG · Singleplayer

Bloobs Adventure Idle
Shared: Indie · RPG · Casual

Cookie Clicker
Shared: Idler · Indie · Casual

Dragon Cliff
Shared: RPG · Idler · Casual

Hogwarts Legacy
Shared: Singleplayer · RPG · Adventure

Keep on Mining!
Shared: Idler · Casual · Indie

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

Evoland
Shared: Indie · RPG · Adventure

Path of Idle: Old Gods Rising
Shared: Idler · RPG · Indie

DAVE THE DIVER
Shared: Casual · Adventure · Singleplayer

The World of Kungfu: Dragon and Eagle
Shared: Indie · RPG · Adventure

Cat Quest
Shared: RPG · Adventure · Indie

Home Behind
Shared: RPG · Indie · Adventure

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

Dust: An Elysian Tail
Shared: Indie · RPG · Adventure

To the Moon
Shared: Indie · Adventure · Singleplayer

xiuzhen idle
Shared: Indie · Idler · Casual

Legends of Dragaea: Idle Dungeons
Shared: Idler · RPG · Indie

Potion Craft: Alchemist Simulator
Shared: Singleplayer · Indie · 2D

Swag and Sorcery
Shared: RPG · Indie · Singleplayer

Tower Wizard
Shared: Idler · 2D · Fantasy

Deskrawl: Idle ARPG
Shared: Idler · Indie · Casual