Games like Monslice
Games like Monslice include Cookie Clicker, Shelldiver, Nodebuster, Keep on Mining!, and Digseum. We matched them by the tags players give Monslice on Steam (Casual, Indie, Incremental, Idler, and Collectathon): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Incremental · Casual · Idler

Shelldiver
Shared: Casual · Incremental · Idler

Nodebuster
Shared: Casual · Incremental · Idler

Keep on Mining!
Shared: Casual · Incremental · Idler

Digseum
Shared: Casual · Incremental · Idler

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

Incredicer
Shared: Casual · Incremental · Indie

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

Keep on Mining! - Worlds
Shared: Casual · Incremental · Idler

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

Click the Button
Shared: Casual · Indie · Incremental

Bills Must Be Paid
Shared: Incremental · Indie · Casual

Fishing Inc
Shared: Casual · Incremental · Indie

Scritchy Scratchy
Shared: Incremental · Idler · Arcade

Game Dev Tycoon
Shared: Indie · Casual · Management

Budgie's Bug Shop
Shared: Casual · Incremental · Idler

Click and Conquer
Shared: Casual · Incremental · Idler

Loot Loop
Shared: Casual · Incremental · Idler

Tower Wizard
Shared: Incremental · Idler · 2D

Tiny Pasture
Shared: Idler · Incremental · Casual

Chef Knight
Shared: Incremental · Casual · Idler

Chillquarium
Shared: Collectathon · Incremental · Idler

Piñata Go Boom
Shared: Casual · Incremental · Idler

Fortune Mill
Shared: Incremental · Idler · Casual