Games like The Infinite Grimoire
Games like The Infinite Grimoire include Idle Champions of the Forgotten Realms, Cookie Clicker, Nodebuster, Tower Wizard, and Shelldiver. We matched them by the tags players give The Infinite Grimoire on Steam (Casual, Strategy, Idler, Incremental, and Time Management): closest matches first, and among equally close ones the better-known games.

Idle Champions of the Forgotten Realms
Shared: Idler · Strategy · Incremental

Cookie Clicker
Shared: Idler · Casual · Incremental

Nodebuster
Shared: Casual · Strategy · Incremental

Tower Wizard
Shared: Idler · Incremental · Strategy

Shelldiver
Shared: Casual · Incremental · Idler

Chef Knight
Shared: Strategy · Casual · Incremental

A Game About Feeding A Black Hole
Shared: Casual · Incremental · Strategy

(the) Gnorp Apologue
Shared: Strategy · Idler · Incremental

Keep on Mining!
Shared: Casual · Idler · Incremental

Dragon Cliff
Shared: Strategy · Idler · Casual

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

Kingdom Rush - Tower Defense
Shared: Strategy · Casual · 2D

Bills Must Be Paid
Shared: Incremental · Strategy · Idler

Timber Rush
Shared: Casual · Idler · Strategy

Incredicer
Shared: Casual · Idler · Incremental

Zero Stress King: Idle Defense
Shared: Idler · Strategy · Casual

xiuzhen idle
Shared: Idler · Casual · Strategy

Melvor Idle
Shared: Casual · Idler · 2D

Orb of Creation
Shared: Casual · Incremental · Strategy

Loot Loop
Shared: Casual · Incremental · Idler

Jacksmith: Weapons and Warriors
Shared: Strategy · Time Management · Casual

Kiwi Clicker - Juiced Up
Shared: Casual · Incremental · Idler