Games like Idle Monster TD on Steam
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Dawnfolk
Dawnfolk is a charmingly dark and minimalist survival city-builder. Gather resources, rebuild your realm, and protect your people from oppressive shadows. Can you unveil the secrets of the monoliths to bring light back to the world?
Wall World
Explore the mysterious Wall World on your giant robospider: mine for valuable resources, upgrade your equipment to fight off hordes of monsters, and discover exotic biomes in-between attacks. Will you be able to survive and learn the secrets of the Wall World?
Anomaly Warzone Earth Mobile Campaign
Anomaly Warzone Earth Mobile Campaign continues Steam's Anomaly Warzone Earth in an extra 15-level campaign. Originally released on mobile devices, the campaign is brought to Steam for PC, Mac and Linux exclusively in Anomaly Bundle. AWE Mobile Campaign turns tower defense on its head.
Cookie Clicker
An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.
Last Hope - Tower Defense
Zombie Tower Defense: Join the ongoing war, in an open world, against the undead zombie horde. Choose between multiple powerful heroes all with unique epic gear and skills! With the wide variety of towers you can create your own perfect strategy.
The Sushi Spinnery
Revolutionize the revolving sushi bar in this fresh new sim!
The Eastern Sacrifice
“The Eastern Sacrifice” is an idle game combining simulation with Eastern Cthulhu-inspired themes. In a world spiraling into chaos over authority, vanquish enemy, gather treasures, and build a devoted religion. Your sanctuary will help you reclaim theurgy, ascend to the divine realm.
Death Coming/死神来了
'Death Coming' is a non-linear puzzle game where you must harvest human souls ‘Final Destination’ style. However, pesky mortals are not your only problem, as the Agents of Light will do everything they can to stop you.
Kitchen Crisis
Kitchen Crisis is a culinary defense game. You are abducted by aliens and must satisfy their appetite. If you want to live to see another day, efficiently arrange your cooking appliances, upgrade your ingredients and tools! In order to survive, make wise decisions according to everchaning recipes.
Idling Gears
Click! Place gears, click! Make money, click! Place more gears, click! Make even more money, click, click and above all click!
Creeper World 2: Anniversary Edition
Deceptively simple... amazingly deep. Creeper World 2 thrusts you into the 14th millennium fighting and enemy that flows and oozes through the terrain. Employ advanced weapons,gravity manipulating repulsors, wormhole like rifts, and your own wit against this never yielding enemy.
Grim Clicker
Grim Clicker is an IDLE/RPG clicker where you will find your own strategy to explore the lost worlds. Inspired by games such as Diablo, Grim Dawn, Dark Souls, etc., the game features a complex character development, many unique items, active and passive playstyle.
Idle Big Devil
Idle Big Devil is a free idle RPG game with 3D graphics. If you are interested in strategy or idle games, you might want to take a look!
PickCrafter
Conquer PickCrafter, the hit indie idle game! Break blocks, forge equipment, and collect powerful Pickaxes. Prestige to legendary tiers with the new Ascension Skill Tree. Discover biomes and battle epic bosses. Make meaningful choices and invent complex builds in this addictive endless adventure!
Bloons TD 5
Five-star tower defense with unrivaled depth and replayability. The Bloons are back in full HD glory and this time they mean business! Build awesome towers, choose your favorite upgrades, hire new Special Agents, and pop every last invading Bloon in the most popular tower defense series in history.
Rusty's Retirement
A relaxing idle-farming simulator that sits at the bottom of your screen while you do other things.
Orcs Must Die!
Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment.
Endgame of Devil
As the Devil, command your minions to defeat the greedy adventurers! Build your team with over 240 minions and over 200 treasures, and discover various battle strategies. Enjoy the convenience of one-click auto battles!
Idle Colony
A condensed incremental experience, where you build a colony to collect and merge bigger and bigger fruits. Combine game-changing technologies and special upgrades to find the best synergies and take your cash flow to another dimension.
12 Labours of Hercules
Accompany Hercules on a quest to rescue his wife, kidnapped by the evil Hades in 12 Labours of Hercules! You'll meet heroes from Ancient Greece as you vanquish beasts, repair roads and construct wonders in this stunning Time Management game!
Spirits of the Hellements - TD
Assemble legendary Spirits and defend against the endless hordes of Hell. A tower defense where you must shape the battlefield and create a maze using the three Hellements. Use Fire, Lightning, and Wind tiles to trap your enemies, or augment your defenses.