Games like DiscoCat
Games like DiscoCat include Cookie Clicker, Muse Dash, Shelldiver, A Dance of Fire and Ice, and MyVoiceZoo. We matched them by the tags players give DiscoCat on Steam (Casual, Rhythm, Music-Based Procedural Generation, Idler, and 2D): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Casual · Idler · Pixel Graphics

Muse Dash
Shared: Rhythm · Casual · Cute

Shelldiver
Shared: Casual · Idler · 2D

A Dance of Fire and Ice
Shared: Rhythm · 2D · Casual

MyVoiceZoo
Shared: Casual · Simulation · Idler

Screen Cat
Shared: Casual · Idler · Cute

Click the Button
Shared: Casual · Idler · Simulation

Rhythm Doctor
Shared: Rhythm · Pixel Graphics · 2D

Cat Goes Fishing
Shared: 2D · Casual · Cute

Incredibox
Shared: Casual · Rhythm · 2D

Maltese's Fluffy Onsen
Shared: Casual · Simulation · Pixel Graphics

Unpacking
Shared: Casual · Pixel Graphics · Cute

Tiny Pasture
Shared: Idler · Casual · Cute

DJMAX RESPECT V
Shared: Rhythm · Casual · 2D

Nodebuster
Shared: Casual · Idler · Simulation

Digseum
Shared: Casual · Idler · Simulation

Chill Pulse
Shared: Casual · Idler · Simulation

Sticky Business
Shared: Casual · Simulation · Cute

Unfair Flips
Shared: Casual · 2D · Simulation

AudioSurf
Shared: Rhythm · Casual · Music-Based Procedural Generation

Slime Rancher
Shared: Cute · Casual · Simulation

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

Click and Conquer
Shared: Casual · Idler · Simulation

Papers, Please
Shared: Simulation · Pixel Graphics · Indie