Games like IdleTowerDefense
Games like IdleTowerDefense include Bloons TD 6, Plants vs. Zombies GOTY Edition, Mini Motorways, Papa's Freezeria Deluxe, and Game Dev Tycoon. We matched them by the tags players give IdleTowerDefense on Steam (Strategy, Time Management, Side Scroller, Casual, and 3D Platformer): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Strategy · Tower Defense · Casual

Plants vs. Zombies GOTY Edition
Shared: Strategy · Tower Defense · Casual

Mini Motorways
Shared: Strategy · Casual · Indie

Papa's Freezeria Deluxe
Shared: Time Management · Strategy · Casual

Game Dev Tycoon
Shared: Strategy · Casual · Indie

Turmoil
Shared: Strategy · Time Management · Management

Tavern Master
Shared: Strategy · Indie · Management

Minami Lane
Shared: Casual · Cute · Strategy

Bills Must Be Paid
Shared: Strategy · Casual · Indie

12 Labours of Hercules
Shared: Strategy · Time Management · Casual

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

Rogue Tower
Shared: Strategy · Tower Defense · Casual

Shelldiver
Shared: Casual · Strategy · Relaxing

The WereCleaner
Shared: Casual · Strategy · Cute

12 Labours of Hercules II: The Cretan Bull
Shared: Strategy · Time Management · Casual

Cookie Clicker
Shared: Casual · Indie · Strategy

Kingdom Rush Origins - Tower Defense
Shared: Strategy · Tower Defense · Casual

Banished
Shared: Strategy · Indie · Survival

Two Point Museum
Shared: Strategy · Casual · Cute

Fly Corp
Shared: Strategy · Casual · Time Management

Good Pizza, Great Pizza - Cooking Simulator Game
Shared: Time Management · Casual · Management

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

Mini Metro
Shared: Strategy · Casual · Indie

Plague Inc: Evolved
Shared: Strategy · Indie · Casual