Games like Idle Monster TD on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Idle Monster TD are available at the bottom of the page.
Filters & Lists
Idle Hero TD - Tower Defense
Endless idle tower defense game full of deep strategy and combat mechanics. Unlock and upgrade dozens of epic fantasy heroes to defeat an infinite swarm of enemy monsters. Strategize hero positions, synergies, and skills for an effective defense, then sit back and let the auto-battler do its thing!
Idle Monster TD: Evolved
Evolve epic monsters and crush puny humans in this endless idle tower defense game! Unlock, upgrade, and evolve over 150 unique monsters and pets, ranging from cute and colorful flower creatures to epic fire breathing dragons, to assemble the ultimate team against the endless waves of enemies.
Dungeon Warfare
Dungeon Warfare is a challenging tower defense strategy game where you become a dungeon lord to defend your dungeons with deadliest of traps and insidious contraptions against greedy adventurers and wanna-be heroes.
METAL SLUG ATTACK RELOADED
Hard-core action with easy controls! The METAL SLUG we all love is back as a tower defense game!
The Perfect Tower II
The Perfect Tower II is a mix between an incremental and a tower defense game. Build a town, manage resources and explore a variety of mini-games and tons of upgrades. Fully automate your game and watch numbers going up!
Castle Of Alchemists
Defend your castle in this fast-paced tower defense/action hybrid game with stunning pixel art graphics! Play as alchemically enhanced warrior Bellator, set traps, build towers, craft powerful weapons, and defend your home! The fate of the castle lies in your hands!
Mr.Mine
Explore the depths of the earth and uncover hidden treasures in this addictive idle mining game. Unlock the power of your drill with hundreds of upgrades, discover mysterious relics, and unearth priceless gems. Can you master the mines and reveal their deepest secrets? Dive in and dig deep!
Dungeon Warfare 2
Become a dungeon lord to defend your dungeons with the deadliest of traps and insidious contraptions against greedy adventurers and wannabe heroes.
Evil Defenders
Evil Defenders is a fun, frenetic defense game: build and upgrade your towers, сast spells to repel enemy forces, use special landmarks and defend the Lands of Evil from invaders! Feel free to play the game in many different ways through unique tower upgrades, a deep skill tree and 100 in-game achievements.
Magic Archery
Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.
Realm Grinder
Grow your realm, build alliances, and explore one of the deepest idle RPGs ever!
Cluckmech Oasis
Cluckmech Oasis, a top-down shooting Roguelike tower defense game. Play as the Warcluck and lead your team of animal heroes in a fight for survival. Collect, build and upgrade defenses, and engage in intense battle against waves of plant enemies.
Age of Defense
Age of Defense is a tower defense game full of mind-blowing mayhem. There are tons of monsters and tough defenders in the game each of which fits perfectly into a funny cartoonish setting.
Death Crown
Death Crown is a minimalist real time strategy game in a 1bit style, where you will be play Death herself, commanding her legions of death, and punishing humanity's Kingdom for its overconfidence.
Kingdom Rush - Tower Defense
Get ready for an epic journey to defend your kingdom against hordes of orcs, trolls, evil wizards and other nasty fiends using a vast arsenal of towers and spells at your command!Fight on forests, mountains and wastelands, customizing your defensive strategy with different tower upgrades and specializations!
Kingdom Rush Frontiers - Tower Defense
Command your troops through an epic (mis)adventure as you defend exotic lands from dragons, man-eating plants, and ghastly denizens of the underworld -all with flashy new towers, levels, heroes, and more goodies to help you crush your foes in this Fantasy Action Tower Defense game!
HoloParade
Collect your favorite characters, nurture them, and have fun just watching in this hololive fan game! It's a 2D tower defense game that offers depth for dedicated players, strategic elements, and easy enjoyment for casual players.
Kingdom Rush 5: Alliance TD
While a formidable evil emerges, an unexpected alliance is taking shape! It will take the finest warriors of Linirea and the relentless Dark Army to stop it. Beware! Though they may journey side by side the ever-changing winds of fate could swiftly alter their course.
Stellar Initiative
Stellar Initiative is a roguelike tower defense game where you land on the planet and use your orbit ship to deliver buildings and support you with fire. Complete missions, install new upgrades, discover powerful artifacts, and find the best strategy!
Defender's Quest: Valley of the Forgotten (DX edition)
Defender's Quest is a Tower-Defense/RPG Hybrid tightly focuses on three things: tactical depth, customization, and story
Border Pioneer
As the kingdom's most promising pioneer, embark on a legendary journey to tame the frontier! Build thriving towns across various landscapes, fending off waves of diverse enemies until you establish a firm foothold and have explored everything the eye can see!
Grow Defense
Upgrade your Castle and Unlock new tiers of Skills and Weapons to Defend vs Monsters and Bosses across VARIOUS ZONES! Find Rare ITEMS dropped from monsters and bosses and upgrade them to their full potential! Defeat RAID Mega-Bosses to find LEGENDARY items!
Most played games like Idle Monster TD on Steam
Take a look at the top games like Idle Monster TD that are currently attracting the largest player bases on the Steam platform, as of June 15th 2025.
1. Cookie Clicker
Similarity 42% 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. Cookie Clicker is a clicker, idler and casual game developed by Orteil and DashNet and published by Playsaurus. Released on September 01st 2021 has received 79,892 reviews of which 77,218 were positive and 2,674 were negative resulting in an impressive rating of 9.5 out of 10. The game has hit the top spot as the #1 most played game like Idle Monster TD, thanks to its 10,146 peak concurrent players over the last day.
9.5
77,218
2,674
10,146
players
2. Bloons TD 6
Similarity 40% The Bloons are back and better than ever! Get ready for a massive 3D tower defense game designed to give you hours and hours of the best strategy gaming available. Bloons TD 6 is a tower defense, strategy and multiplayer game developed and published by Ninja Kiwi. Released on December 17th 2018 has received 353,960 reviews of which 344,269 were positive and 9,691 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 9,320 players online at once in the last 24 hours, this game is currently ranked #2 among games like Idle Monster TD based on player count.
9.6
344,269
9,691
9,320
players
3. Idle Champions of the Forgotten Realms
Similarity 46% Idle Champions of the Forgotten Realms is a Dungeons & Dragons strategy management game uniting Champions from throughout the D&D multiverse into a grand adventure. Idle Champions of the Forgotten Realms is a dungeons & dragons, free to play and idler game developed and published by Codename Entertainment Inc.. Released on March 25th 2020 has received 14,480 reviews of which 11,212 were positive and 3,268 were negative resulting in a rating of 7.6 out of 10. While seeing 3,157 players online at once in the last 24 hours, this game is currently ranked #3 among games like Idle Monster TD based on player count.
7.6
11,212
3,268
3,157
players
4. Tap Ninja - Idle game
Similarity 49% Defeat enemies, earn gold, upgrade your village, become a Ninja Master! Tap Ninja - Idle game is a clicker, idler and casual game developed and published by Broken Glass. Released on March 17th 2022 has received 8,543 reviews of which 7,277 were positive and 1,266 were negative resulting in a rating of 8.3 out of 10. With 2,490 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Idle Monster TD.
8.3
7,277
1,266
2,490
players
5. Clicker Heroes
Similarity 48% Ever wondered what one quadrillion damage per second feels like? Wonder no more! Embark on your quest to attain it today! Clicker Heroes is a clicker, idler and casual game developed and published by Playsaurus. Released on May 13th 2015 has received 61,304 reviews of which 54,989 were positive and 6,315 were negative resulting in a rating of 8.8 out of 10. With 2,049 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Idle Monster TD.
8.8
54,989
6,315
2,049
players
6. Milky Way Idle
Similarity 40% Milky Way Idle: A multiplayer idle RPG where automation replaces grinding. Level up skills, gather resources, craft powerful items, and battle monsters—all while AFK. Trade in the marketplace, join a guild, team up for party combat, and socialize in chat as you progress effortlessly. Milky Way Idle is a idler, casual and trading game developed and published by cheze. Released on March 06th 2025 has received 834 reviews of which 636 were positive and 198 were negative resulting in a rating of 7.3 out of 10. With 1,870 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Idle Monster TD.
7.3
636
198
1,870
players
7. Plants vs. Zombies GOTY Edition
Similarity 43% Zombies are invading your home, and the only defense is your arsenal of plants! Armed with an alien nursery-worth of zombie-zapping plants like peashooters and cherry bombs, you'll need to think fast and plant faster to stop dozens of types of zombies dead in their tracks. Plants vs. Zombies GOTY Edition is a tower defense, zombies and strategy game developed by PopCap Games and Inc. and published by PopCap Games, Inc. and Electronic Arts. Released on May 05th 2009 has received 139,925 reviews of which 136,574 were positive and 3,351 were negative resulting in an impressive rating of 9.6 out of 10. With 1,776 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Idle Monster TD.
9.6
136,574
3,351
1,776
players
8. Leaf Blower Revolution - Idle Game
Similarity 41% Blow leaves, upgrade your gear, and automate your progress as you explore the Leaf Universe. A satisfying incremental idle game where every leaf blown brings you closer to the next big upgrade. Simple, relaxing, and endlessly rewarding. Let the leaves fall, and your progress rise! Leaf Blower Revolution - Idle Game is a idler, clicker and casual game developed and published by Humble North. Released on December 04th 2020 has received 25,292 reviews of which 23,863 were positive and 1,429 were negative resulting in an impressive rating of 9.2 out of 10. With 1,556 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Idle Monster TD.
9.2
23,863
1,429
1,556
players
9. Idle Slayer
Similarity 44% Idle Slayer is an incremental game with idle and active playstyle mechanics, medieval pixel art visuals and retro 8-bit sounds and music. Idle Slayer is a casual, idler and free to play game developed and published by Pablo Leban. Released on December 21st 2020 has received 8,767 reviews of which 7,488 were positive and 1,279 were negative resulting in a rating of 8.3 out of 10. With 1,274 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Idle Monster TD.
8.3
7,488
1,279
1,274
players
10. Cauldron
Similarity 45% Cauldron is an upgrade-heavy, minigame-centric, turn-based RPG. Play minigames to strengthen your party, then win battles to uncover more map, more heroes, more minigames, more everything! If your favorite plant is an upgrade tree, then this game is for you! Cauldron is a minigames, idler and casual game developed by SleepyDad Games and published by Caketown Interactive. Released on May 21st 2025 has received 500 reviews of which 481 were positive and 19 were negative resulting in a rating of 8.9 out of 10. With 1,230 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Idle Monster TD.
8.9
481
19
1,230
players
Best deals on games like Idle Monster TD on Steam
Discover fantastic savings with the best discounts on a variety of games like Idle Monster TD available on Steam right now, updated on June 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Idle Monster TD.
1. WARCANA
Similarity 43% WARCANA is a fantasy inspired base defence, RTS game with a deck-building mechanic. Face hundreds of thousands of unrelenting monsters in a battle royale between 30 other mighty magicians. Build your deck. Prepare your defences. Summon your armies. Survive the onslaught. Be the last one standing. WARCANA is a strategy, card game and card battler game developed by 1000 Orks and published by Team17. Released on August 29th 2024 has received 444 reviews of which 295 were positive and 149 were negative resulting in a rating of 6.4 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Idle Monster TD.
6.4
295
149
-99%
16.99€
0.32€
2. Go Home Dinosaurs!
Similarity 51% Todd Rex wants steak. Todd Rex wants YOUR steak. Are you gonna let him take it? No way! Go Home, Dinosaurs!Prevent hordes of marauding Dinos from crashing your party in the world’s premier BBQ defense simulator! Unlock powerful towers that act like little weaponized puzzle pieces. Go Home Dinosaurs! is a tower defense, casual and strategy game developed and published by Fire Hose Games. Released on March 14th 2013 has received 600 reviews of which 524 were positive and 76 were negative resulting in a rating of 8.2 out of 10. Thanks to its incredible 98% discount, this game is now the #2 best deal in games like Idle Monster TD.
8.2
524
76
-98%
9.75€
0.29€
3. Deathtrap
Similarity 40% Deathtrap is a Tower Defense game with strong action-RPG elements, a game of vicious tricks, killing machines, rotating blades and splattering blood. Deathtrap is a tower defense, rpg and action game developed and published by NeocoreGames. Released on February 04th 2015 has received 2,194 reviews of which 1,842 were positive and 352 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 98% discount, this game is now the #3 best deal in games like Idle Monster TD.
8.1
1,842
352
-98%
19.99€
0.49€
4. Tooth and Tail
Similarity 41% Lead the revolution with an army of flamethrowing Boars, mustard gas-lobbing Skunks, and paratrooper-puking Owls. Tooth and Tail is a Real-Time-Strategy game featuring Single Player, Online Competitive Play, Split Screen, Replays, and more. Build a base, lead your army, eat your enemies! Tooth and Tail is a strategy, rts and pixel graphics game developed and published by Pocketwatch Games. Released on September 12th 2017 has received 4,057 reviews of which 3,242 were positive and 815 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 98% discount, this title has earned the #4 position in the best deals for games like Idle Monster TD.
7.8
3,242
815
-98%
19.99€
0.56€
5. GemCraft - Chasing Shadows
Similarity 48% An epic, challenging tower defense game with an emphasis on strategy and replayability. Summon gems of immense magical potency and harness their unique abilities against a seemingly endless horde of monsters. The archdemon seeks to swallow the world, and you must journey to stand against her. GemCraft - Chasing Shadows is a tower defense, strategy and indie game developed by Game in a Bottle and published by Armor Games Studios. Released on April 30th 2015 has received 4,136 reviews of which 3,939 were positive and 197 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 97% discount, this title has earned the #5 position in the best deals for games like Idle Monster TD.
9.2
3,939
197
-97%
9.75€
0.36€
6. Warpips
Similarity 46% Warpips is the ultimate quick to learn but amazingly deep tug-of-war strategy game. Deploy the right composition of soldiers, tanks, helicopters and planes in this tight, streamlined strategy-focused war game. Compose the best army, research the right tech; overwhelm your enemy! Warpips is a strategy, tower defense and rts game developed by Skirmish Mode Games and published by Daedalic Entertainment. Released on April 21st 2022 has received 4,489 reviews of which 3,949 were positive and 540 were negative resulting in a rating of 8.5 out of 10. Currently offered at a significant 96% discount, this title has earned the #6 position in the best deals for games like Idle Monster TD.
8.5
3,949
540
-96%
14.99€
0.68€
7. Aegis Defenders
Similarity 48% Take on wild beasts, ruthless soldiers, and ancient gods in this 2D Action-Platformer inspired by Tower-Defense combat. Aegis Defenders is a pixel graphics, tower defense and action game developed by GUTS Department and published by Humble Games. Released on February 08th 2018 has received 1,752 reviews of which 1,377 were positive and 375 were negative resulting in a rating of 7.6 out of 10. Currently offered at a significant 96% discount, this title has earned the #7 position in the best deals for games like Idle Monster TD.
7.6
1,377
375
-96%
19.99€
0.80€
8. Royal Defense
Similarity 49% The castle needs a hero – hordes of trolls are surrounding it! Build towers, save money, learn spells - don't let the enemy in! Follow the exciting story of the dwarven kingdom's eternal struggle against the troll hordes, who want only to crush the dwarves and claim their territory. Royal Defense is a strategy, casual and indie game developed by Good Games and Creobit and published by 8floor. Released on November 10th 2014 has received 376 reviews of which 272 were positive and 104 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 96% discount, this title has earned the #8 position in the best deals for games like Idle Monster TD.
6.9
272
104
-96%
9.75€
0.44€
9. The Escapists
Similarity 40% The Escapists provides players the opportunity of experiencing a light-hearted insight into everyday prison life with the main objective being that of escaping! The Escapists is a pixel graphics, strategy and crafting game developed by Mouldy Toof Studios and published by Team17. Released on February 13th 2015 has received 16,050 reviews of which 14,481 were positive and 1,569 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 95% discount, this title has earned the #9 position in the best deals for games like Idle Monster TD.
8.8
14,481
1,569
-95%
14.99€
0.76€
10. GemCraft - Frostborn Wrath
Similarity 45% The epic tower defense dark fantasy journey continues! Create powerful gems with various abilities and take on the battle against an endlessly flowing army of monsters, and face the growing darkness as you fight your way back towards the Spiritforge. GemCraft - Frostborn Wrath is a tower defense, difficult and rts game developed and published by Game in a Bottle. Released on January 10th 2020 has received 2,699 reviews of which 2,390 were positive and 309 were negative resulting in a rating of 8.5 out of 10. Currently offered at a significant 95% discount, this title has earned the #10 position in the best deals for games like Idle Monster TD.
8.5
2,390
309
-95%
11.59€
0.64€
Free games like Idle Monster TD on Steam
Check out this fantastic list of free-to-play games like Idle Monster TD you can enjoy on Steam right now, updated on June 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Idle Monster TD.
1. Idle Champions of the Forgotten Realms
Similarity 46% Idle Champions of the Forgotten Realms is a Dungeons & Dragons strategy management game uniting Champions from throughout the D&D multiverse into a grand adventure. Idle Champions of the Forgotten Realms is a dungeons & dragons, free to play and idler game developed and published by Codename Entertainment Inc.. Released on March 25th 2020 has received 14,480 reviews of which 11,212 were positive and 3,268 were negative resulting in a rating of 7.6 out of 10. With 3,157 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Idle Monster TD.
7.6
11,212
3,268
3,157
players
2. Tap Ninja - Idle game
Similarity 49% Defeat enemies, earn gold, upgrade your village, become a Ninja Master! Tap Ninja - Idle game is a clicker, idler and casual game developed and published by Broken Glass. Released on March 17th 2022 has received 8,543 reviews of which 7,277 were positive and 1,266 were negative resulting in a rating of 8.3 out of 10. Thanks to its free to play tag and a daily player base of 2,490, this game has secured the #2 spot in the ranking of free games like Idle Monster TD.
8.3
7,277
1,266
2,490
players
3. Clicker Heroes
Similarity 48% Ever wondered what one quadrillion damage per second feels like? Wonder no more! Embark on your quest to attain it today! Clicker Heroes is a clicker, idler and casual game developed and published by Playsaurus. Released on May 13th 2015 has received 61,304 reviews of which 54,989 were positive and 6,315 were negative resulting in a rating of 8.8 out of 10. Thanks to its free to play tag and a daily player base of 2,049, this game has secured the #3 spot in the ranking of free games like Idle Monster TD.
8.8
54,989
6,315
2,049
players
4. Milky Way Idle
Similarity 40% Milky Way Idle: A multiplayer idle RPG where automation replaces grinding. Level up skills, gather resources, craft powerful items, and battle monsters—all while AFK. Trade in the marketplace, join a guild, team up for party combat, and socialize in chat as you progress effortlessly. Milky Way Idle is a idler, casual and trading game developed and published by cheze. Released on March 06th 2025 has received 834 reviews of which 636 were positive and 198 were negative resulting in a rating of 7.3 out of 10. Attracting a solid base of 1,870 players due to its free access, this strategy game has achieved the #4 position in the best free games like Idle Monster TD.
7.3
636
198
1,870
players
5. Leaf Blower Revolution - Idle Game
Similarity 41% Blow leaves, upgrade your gear, and automate your progress as you explore the Leaf Universe. A satisfying incremental idle game where every leaf blown brings you closer to the next big upgrade. Simple, relaxing, and endlessly rewarding. Let the leaves fall, and your progress rise! Leaf Blower Revolution - Idle Game is a idler, clicker and casual game developed and published by Humble North. Released on December 04th 2020 has received 25,292 reviews of which 23,863 were positive and 1,429 were negative resulting in an impressive rating of 9.2 out of 10. Attracting a solid base of 1,556 players due to its free access, this strategy game has achieved the #5 position in the best free games like Idle Monster TD.
9.2
23,863
1,429
1,556
players
6. Idle Slayer
Similarity 44% Idle Slayer is an incremental game with idle and active playstyle mechanics, medieval pixel art visuals and retro 8-bit sounds and music. Idle Slayer is a casual, idler and free to play game developed and published by Pablo Leban. Released on December 21st 2020 has received 8,767 reviews of which 7,488 were positive and 1,279 were negative resulting in a rating of 8.3 out of 10. Attracting a solid base of 1,274 players due to its free access, this strategy game has achieved the #6 position in the best free games like Idle Monster TD.
8.3
7,488
1,279
1,274
players
7. Idle Hero TD - Tower Defense
Similarity 66% Endless idle tower defense game full of deep strategy and combat mechanics. Unlock and upgrade dozens of epic fantasy heroes to defeat an infinite swarm of enemy monsters. Strategize hero positions, synergies, and skills for an effective defense, then sit back and let the auto-battler do its thing! Idle Hero TD - Tower Defense is a early access, strategy and tower defense game developed and published by Swell Games LLC. Released on May 03rd 2024 has received 665 reviews of which 548 were positive and 117 were negative resulting in a rating of 7.8 out of 10. Attracting a solid base of 1,067 players due to its free access, this strategy game has achieved the #7 position in the best free games like Idle Monster TD.
7.8
548
117
1,067
players
8. Antimatter Dimensions
Similarity 45% Earn antimatter through dimensions! Gain Infinite antimatter to collapse the universe! Antimatter Dimensions is a idler, strategy and free to play game developed by Hevipelle, Omsi, Razenpok, Spectralflame and WaitingIdly and published by Hevipelle and Makopaz. Released on December 17th 2022 has received 3,694 reviews of which 3,410 were positive and 284 were negative resulting in a rating of 8.9 out of 10. Attracting a solid base of 1,058 players due to its free access, this strategy game has achieved the #8 position in the best free games like Idle Monster TD.
8.9
3,410
284
1,058
players
9. Mr.Mine
Similarity 57% Explore the depths of the earth and uncover hidden treasures in this addictive idle mining game. Unlock the power of your drill with hundreds of upgrades, discover mysterious relics, and unearth priceless gems. Can you master the mines and reveal their deepest secrets? Dive in and dig deep! Mr.Mine is a idler, clicker and simulation game developed and published by Playsaurus. Released on September 30th 2020 has received 17,216 reviews of which 15,826 were positive and 1,390 were negative resulting in a rating of 9.0 out of 10. Attracting a solid base of 846 players due to its free access, this strategy game has achieved the #9 position in the best free games like Idle Monster TD.
9.0
15,826
1,390
846
players
10. Idle Cave Miner
Similarity 46% Idle Cave Miner is an idle game about crafting items, mining gems, and building your team of miners. Prestige, craft, and travel to other mines to increase your strength to dig deeper, and find what lurks below. Idle Cave Miner is a idler, clicker and mining game developed and published by Cold Hours. Released on December 07th 2023 has received 737 reviews of which 596 were positive and 141 were negative resulting in a rating of 7.7 out of 10. Attracting a solid base of 725 players due to its free access, this strategy game has achieved the #10 position in the best free games like Idle Monster TD.
7.7
596
141
725
players