Idle Monster TD: Evolved - Flip the Script on Tower Defense

6/22/2026, 1:15:45 AM

Release date: 11/16/2022

Tags: #idler #tower-defense #strategy #auto-battler #time-management #incremental #fantasy #pve

User Reviews

Score: 76%Mostly Positive
Review Count: 1,242 reviews
Fetched At: 6/22/2026, 1:15:46 AM

Live Store Snapshot

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Japan Price: Free to Play
Global Price: Free to Play
Sale Status: Regular pricing
Price Checked At: 6/22/2026, 1:15:45 AM

Key highlight

Defend your portal in Idle Monster TD: Evolved, a free-to-play Tower Defense game where you strategically deploy and evolve over 150 unique monsters against endless human invaders. Enjoy idle progression and auto-battler

Who this is for

Fans of Tower Defense and Idle games will find plenty to enjoy here. It offers a compelling blend of strategy and progression.

Details

Overview

Idle Monster TD: Evolved offers a fresh take on the Tower Defense genre, placing players in the role of defenders against an onslaught of human invaders. This free-to-play title from Monstermob USA, INC. features an endless progression system, challenging players to strategically deploy and evolve a vast collection of over 150 unique monsters and pets. The game blends idle mechanics with auto-battler elements, allowing for satisfying progression even when you're not actively playing.

Highlights

Endless Tower Defense with an Idle Twist: Defend your portal against infinite waves of enemies, with progression continuing even when you're away.
Vast Monster Collection: Unlock, upgrade, and evolve over 150 distinct monsters and pets, from cute flora to powerful dragons.
Strategic Depth: Optimize monster placement and leverage their unique abilities to create the most effective defense against invading humans.

Who It's For

This game is perfect for fans of Tower Defense and Idle games who enjoy strategic planning and long-term progression. If you appreciate games where you can build up powerful armies and see them grow over time, even with minimal active playtime, Idle Monster TD: Evolved should be on your radar. Its fantasy setting and PvE focus also appeal to those looking for a cooperative or solo strategic challenge.

Game Info

Developed and published by Monstermob USA, INC., Idle Monster TD: Evolved was released on November 16, 2022. It falls under the Idler, Tower Defense, Strategy, Auto Battler, Time Management, and Incremental genres. The game supports multiplayer, offers Steam Achievements, and includes in-app purchases. It is free to play and has garnered a 'Mostly Positive' reception from Steam users.