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

Shelldiver
Shared: Casual · Incremental · Idler

Nodebuster
Shared: Casual · Incremental · Idler

Keep on Mining!
Shared: Idler · Casual · Incremental

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

Cookie Clicker
Shared: Idler · Incremental · Casual

Digseum
Shared: Casual · Incremental · Idler

Click and Conquer
Shared: Casual · Incremental · Idler

Incredicer
Shared: Idler · Casual · Incremental

Fishing Inc
Shared: Casual · Incremental · Colorful

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

To The Core
Shared: Casual · Incremental · Arcade

Click the Button
Shared: Casual · Incremental · Idler

Tiny Pasture
Shared: Idler · Incremental · Cute

Bills Must Be Paid
Shared: Incremental · Idler · Casual

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

Tower Wizard
Shared: Idler · Incremental · Colorful

Loot Loop
Shared: Casual · Incremental · Idler

Chef Knight
Shared: Incremental · Casual · Idler

Space Rock Breaker
Shared: Casual · Incremental · Idler

Melvor Idle
Shared: Idler · Casual · 2D

Tiny Biomes: Cozy Idle
Shared: Casual · Idler · Incremental

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

GLONK
Shared: Casual · Incremental · Idler

Oik
Shared: Casual · Incremental · Cute