Games like Marisa!ReturnTheBook!
Games like Marisa!ReturnTheBook! include Cookie Clicker, Shelldiver, Keep on Mining!, Nodebuster, and A Game About Feeding A Black Hole. We matched them by the tags players give Marisa!ReturnTheBook! on Steam (Casual, Idler, Incremental, Pixel Graphics, and 2D): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Idler · Incremental · Casual

Shelldiver
Shared: Casual · Incremental · Idler

Keep on Mining!
Shared: Idler · Casual · Incremental

Nodebuster
Shared: Casual · Incremental · Idler

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

Dragon Cliff
Shared: Idler · Incremental · Casual

Click the Button
Shared: Casual · Incremental · Idler

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

Tower Wizard
Shared: Idler · Incremental · 2D

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

Digseum
Shared: Casual · Incremental · Idler

DAVE THE DIVER
Shared: Casual · Pixel Graphics · Adventure

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

Tiny Pasture
Shared: Idler · Incremental · Casual

Human-powered spacecraft
Shared: Casual · Incremental · Idler

Timber Rush
Shared: Casual · Idler · Incremental

Melvor Idle
Shared: Idler · Casual · 2D

Click and Conquer
Shared: Casual · Incremental · Idler

To The Core
Shared: Casual · Incremental · 2D

There Is No Game: Wrong Dimension
Shared: Pixel Graphics · Casual · Adventure

Unpacking
Shared: Casual · Pixel Graphics · Cute

Incredicer
Shared: Idler · Casual · Incremental

Touhou Mystia's Izakaya
Shared: Casual · Pixel Graphics · Anime

Fortune Mill
Shared: Idler · Incremental · Pixel Graphics