Best Tower Defense Games on Steam

Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated tower defense games. For those who prefer not to search, lists of the most played, top deals and best free tower defense games are available at the bottom of the page.

Filters & Lists
Beware Planet Earth Beware Planet Earth! is a beguiling mix of classic tower defense and time management coming to PC via Steam for the first time. Save your cows from the Martian invasion by building an effective defense using towers, traps and objects, and also by firing your Zapper directly at the invading force of little green men!

Price 4.99€
Rating 6.8
Release 11 Apr 2014
Bardbarian You play as Brad the barbarian, who is awoken to the sounds of his town under siege. Today is different though; Brad has grown tired of fighting all the time. The usual grind for XP has grown dull, and he has decided to pursue his dreams of making music instead of shedding blood.

Price -68% 2.59€
Rating 8.4
Release 01 Apr 2014
Yet Another Zombie Defense Darkness is coming. How long can YOU survive? Build your base by day, defend it by night. Play in online or local co-op. Stay alive as long as you can.

Price Free to play
Rating 8.4
Release 28 Mar 2014
Creeper World 3: Arc Eternal Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.

Price -23% 11.56€
Rating 9.3
Release 27 Mar 2014
Infested Planet Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.

Price 12.49€
Rating 9.0
Release 06 Mar 2014
Deadly 30 Can you survive the horror? … a retro-style survival horror game developed by the two-man indie team of Gonzossm and Iggy Zuk. Survive 30 days and nights in a zombie-infested world by recruiting companions, upgrading weaponry and fortifying your position.

Price -94% 0.33€
Rating 7.4
Release 08 Jan 2014
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!

Price 9.99€
Rating 9.5
Release 06 Jan 2014
Anomaly Korea Exclusively brought to Steam for PC, Mac and Linux in Anomaly Bundle, Anomaly Korea is an expansion campaign to Anomaly Warzone Earth. The alien robots are back and this time they’ve got Korea in their sights. It’s your job to lead a squad into fierce fire-fights and fend off the alien invasion.

Price -86% 0.69€
Rating 7.5
Release 06 Nov 2013
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.

Price -86% 0.69€
Rating 7.5
Release 06 Nov 2013
Stronghold Crusader HD (2012) The highly anticipated sequel to the best-selling Stronghold, Stronghold Crusader HD throws you into historic battles and castle sieges from the Crusades with fiendish AI opponents, new units, 4 historical campaigns and over 100 unique skirmish missions.

Price -70% 2.39€
Rating 9.5
Release 21 Oct 2013
Stronghold HD (2012) The original castle sim, Stronghold HD allows you to design, build and destroy historical castles. Engage in medieval warfare against the AI in one of two single player campaigns or online with up to 8 players.

Price -70% 1.19€
Rating 9.3
Release 21 Oct 2013
Unholy Heights Welcome to Unholy Heights, a mashup of Tower Defense and Apartment Management Simulation!

Price 3.99€
Rating 8.5
Release 04 Oct 2013
PixelJunk™ Monsters Ultimate Tikiman the Forest Defender is in trouble. Hordes of monsters are sweeping through his realm, hoping to chow down on his offspring – and it’s up to you to defend them. By placing weapon towers at strategic points around the landscape, you can destroy the invaders and save the little ones.

Price 8.99€
Rating 7.7
Release 26 Aug 2013
CastleStorm Welcome to the world of CastleStorm, a super genre mashup of 2D physics destruction mashed with tower defense brawler! CastleStorm was born out of the fond childhood memory of building and destroying LEGO castles.

Price -77% 2.33€
Rating 8.5
Release 29 Jul 2013
Dota 2 Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own.

Price Free to play
Rating 8.1
Release 09 Jul 2013
Prime World: Defenders Fight off hordes of monstrous mutants created from a strange cataclysmic event in the new tower defense game, Prime World: Defenders. Join a group of exile treasure hunters who have ventured into the capital of an ancient empire, vast with mystery and danger.

Price 8.99€
Rating 7.2
Release 05 Jun 2013
Cubetractor WINNER: IGF China award for BEST GAME!Cubetractor is a neo-retroesque action-strategy-puzzle hybrid where you defeat enemies through an unconventional cube-pulling, turret-buildling mechanic. The game carries elements of a reverse tower defence and a grounded bullet-hell dodger to deliver a unique gameplay experience presented in a...

Price -90% 0.43€
Rating 7.1
Release 29 May 2013
Sanctum 2 Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.

Price -94% 0.97€
Rating 8.8
Release 15 May 2013
Anomaly 2 Anomaly 2 is a sequel to the critically acclaimed Anomaly Warzone Earth. Maintaining the core elements of the original, Anomaly 2 adds plenty of new features: unit morphing, over million tactical combinations, post-apo world and tower defense vs tower offense multiplayer mode.

Price -90% 1.39€
Rating 7.6
Release 15 May 2013
Super Sanctum TD Super Sanctum TD is a retro-styled Tower Defense game that focuses on strategy, customization and replayability. Build advanced mazes and construct powerful towers to prevent alien hordes from reaching the Core!

Price -47% 2.66€
Rating 8.3
Release 09 May 2013
Sang-Froid - Tales of Werewolves Combining action and strategy in a unique way, Sang-Froid: Tales of Werewolves transports you into an epic folktale co-written with best-selling Canadian author Bryan Perro (Amos Daragon, Wariwulf), in which two feuding brothers will have to put aside their differences to save their sister, who is pursued by the Devil himself!

Price Free to play
Rating 8.4
Release 05 Apr 2013
Go Home Dinosaurs! 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.

Price -98% 0.29€
Rating 8.2
Release 14 Mar 2013
Fieldrunners 2 Get ready to DEFEND THE WORLD! The biggest sequel in tower defense history is finally here: Fieldrunners 2 has arrived! From Subatomic Studios, creators of the award winning classic strategy game comes an all new adventure that was years in the making.

Price 9.99€
Rating 8.0
Release 10 Jan 2013
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

Price 12.49€
Rating 9.1
Release 30 Oct 2012

Most played tower defense games on Steam

Take a look at the top tower defense games that are currently attracting the largest player bases on the Steam platform, as of June 15th 2025.

1. Bloons TD 6

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. The game has hit the top spot as the #1 most played tower defense game, thanks to its 9,320 peak concurrent players over the last day.
9.6
344,269
9,691

9,320
players

2. Plants vs. Zombies GOTY Edition

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. While seeing 1,776 players online at once in the last 24 hours, this game is currently ranked #2 among tower defense games based on player count.
9.6
136,574
3,351

1,776
players

3. Tower Dominion

Build and design the terrain while defending your stronghold against alien invasion in this unique Roguelike tower defense. Choose from 30 heroes, survive enemy waves, and upgrade a variety of destructive towers to hold the line! Tower Dominion is a tower defense, strategy and base-building game developed and published by Parallel 45 Games. Released on May 07th 2025 has received 1,843 reviews of which 1,539 were positive and 304 were negative resulting in a rating of 8 out of 10. While seeing 1,085 players online at once in the last 24 hours, this game is currently ranked #3 among tower defense games based on player count.
8
1,539
304

1,085
players

4. 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 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. With 1,067 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played tower defense games.
7.8
548
117

1,067
players

5. Kingdom Two Crowns

Gather coins, build defenses and reclaim your fallen Kingdom. Explore and uncover secrets, unlock new technologies and protect your crown versus waves of Greed monsters that come at night. Kingdom is a solo or co-op micro-strategy and tower defense game set in an atmospheric pixel world. Kingdom Two Crowns is a tower defense, minimalist and city builder game developed by Stumpy🐙Squid, Fury Studios and Coatsink and published by Raw Fury. Released on December 11th 2018 has received 7,063 reviews of which 6,244 were positive and 819 were negative resulting in a rating of 8.6 out of 10. With 870 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played tower defense games.
8.6
6,244
819

870
players

6. Legion TD 2 - Multiplayer Tower Defense

An infinitely replayable multiplayer and single-player tower defense. Defend against waves of enemies and destroy the enemy's king before they destroy yours. Legion TD 2 is a one-of-a-kind game of tactics, teamwork, and prediction. Party as 1-8 players. Legion TD 2 - Multiplayer Tower Defense is a tower defense, multiplayer and auto battler game developed and published by AutoAttack Games. Released on October 01st 2021 has received 13,550 reviews of which 11,713 were positive and 1,837 were negative resulting in a rating of 8.4 out of 10. With 796 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played tower defense games.
8.4
11,713
1,837

796
players

7. Mindustry

An open-ended factory management game with RTS and tower defense elements. Mindustry is a base-building, resource management and tower defense game developed and published by AnukenDev. Released on September 26th 2019 has received 22,266 reviews of which 21,329 were positive and 937 were negative resulting in an impressive rating of 9.4 out of 10. With 582 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played tower defense games.
9.4
21,329
937

582
players

8. Orcs Must Die! Deathtrap

Orcs Must Die! Deathtrap combines chaotic third-person combat with devious trap-laying strategy. Enjoy endless replayability as your War Mage grows stronger through roguelite progression. Repel relentless orc hordes solo or with up to 4 players. Orcs Must Die! Deathtrap is a tower defense, third-person shooter and co-op game developed and published by Robot Entertainment. Released on January 28th 2025 has received 3,338 reviews of which 2,388 were positive and 950 were negative resulting in a rating of 7.0 out of 10. With 569 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played tower defense games.
7.0
2,388
950

569
players

9. Bloons TD Battles 2

From the creators of Bloons TD6... Bloons TD Battles 2 is a brand new installment of the top-rated head-to-head tower defense game. Gather your Hero, choose your team of powerful Monkey Towers, and prepare to battle one on one against other players and relentless waves of Bloons! Bloons TD Battles 2 is a free to play, tower defense and multiplayer game developed and published by Ninja Kiwi. Released on November 30th 2021 has received 32,320 reviews of which 27,193 were positive and 5,127 were negative resulting in a rating of 8.3 out of 10. With 535 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played tower defense games.
8.3
27,193
5,127

535
players

10. 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! The Perfect Tower II is a strategy, idler and tower defense game developed and published by Fire Sword Studios. Released on February 26th 2021 has received 3,639 reviews of which 3,201 were positive and 438 were negative resulting in a rating of 8.5 out of 10. With 530 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played tower defense games.
8.5
3,201
438

530
players

Best deals on tower defense games on Steam

Discover fantastic savings with the best discounts on a variety of tower defense games 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 tower defense games.

1. WARCANA

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 tower defense category.
6.4
295
149

-99% 16.99€ 0.32€

2. HERO DEFENSE

CREEPS CRUMBLE. HEROES RISE. Command a team of renegade heroes and impale, slash, tear and burn through legions of undead hell-bent on world domination. Your mission: to defeat the world’s most powerful vampire, Count Necrosis. HERO DEFENSE is a tower defense, strategy and indie game developed by Happy Tuesday and published by Headup. Released on May 31st 2016 has received 747 reviews of which 471 were positive and 276 were negative resulting in a rating of 6.1 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in tower defense games.
6.1
471
276

-99% 29.99€ 0.56€

3. X-Morph: Defense

Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle. X-Morph: Defense is a tower defense, strategy and action game developed by and published by Exor Studios. Released on August 30th 2017 has received 3,823 reviews of which 3,506 were positive and 317 were negative resulting in a rating of 8.8 out of 10. Thanks to its incredible 98% discount, this game is now the #3 best deal in tower defense games.
8.8
3,506
317

-98% 19.99€ 0.54€

4. AI War 2

The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground. AI War 2 is a 4x, grand strategy and multiplayer game developed and published by Arcen Games and LLC. Released on October 22nd 2019 has received 1,490 reviews of which 1,318 were positive and 172 were negative resulting in a rating of 8.4 out of 10. Currently offered at a significant 98% discount, this title has earned the #4 position in the best deals for tower defense games.
8.4
1,318
172

-98% 19.50€ 0.49€

5. DG2: Defense Grid 2

Setting the bar as the definitive tower defense game, Defense Grid 2 introduces new worlds and threats to test your tower placement strategies. With a bold new look and the addition of new game modes, player-versus-player and multiplayer co-op, every play brings fun new opportunities and challenges. DG2: Defense Grid 2 is a strategy, tower defense and indie game developed by Hidden Path Entertainment and published by Hidden Path Entertainment and 505 Games. Released on September 23rd 2014 has received 3,163 reviews of which 2,723 were positive and 440 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for tower defense games.
8.3
2,723
440

-98% 12.49€ 0.26€

6. Go Home Dinosaurs!

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. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for tower defense games.
8.2
524
76

-98% 9.75€ 0.29€

7. Deathtrap

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. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for tower defense games.
8.1
1,842
352

-98% 19.99€ 0.49€

8. GemCraft - Chasing Shadows

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 #8 position in the best deals for tower defense games.
9.2
3,939
197

-97% 9.75€ 0.36€

9. Warpips

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 #9 position in the best deals for tower defense games.
8.5
3,949
540

-96% 14.99€ 0.68€

10. Anomaly: Warzone Earth

Lead an armored squad through the perils of this reversed tower defense action-strategy game! Anomaly: Warzone Earth is a strategy, indie and tower defense game developed and published by 11 bit studios. Released on April 08th 2011 has received 4,640 reviews of which 4,043 were positive and 597 were negative resulting in a rating of 8.4 out of 10. Currently offered at a significant 96% discount, this title has earned the #10 position in the best deals for tower defense games.
8.4
4,043
597

-96% 9.99€ 0.46€

Free tower defense games on Steam

Check out this fantastic list of free-to-play tower defense games 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 tower defense games.

1. 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 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. With 1,067 active players enjoying it for free, this strategy game has reached the #1 spot among the top free tower defense games on Steam.
7.8
548
117

1,067
players

2. Bloons TD Battles 2

From the creators of Bloons TD6... Bloons TD Battles 2 is a brand new installment of the top-rated head-to-head tower defense game. Gather your Hero, choose your team of powerful Monkey Towers, and prepare to battle one on one against other players and relentless waves of Bloons! Bloons TD Battles 2 is a free to play, tower defense and multiplayer game developed and published by Ninja Kiwi. Released on November 30th 2021 has received 32,320 reviews of which 27,193 were positive and 5,127 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 535, this tower defense game has secured the #2 spot in the ranking of free tower defense games on Steam.
8.3
27,193
5,127

535
players

3. 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! The Perfect Tower II is a strategy, idler and tower defense game developed and published by Fire Sword Studios. Released on February 26th 2021 has received 3,639 reviews of which 3,201 were positive and 438 were negative resulting in a rating of 8.5 out of 10. Thanks to its free to play tag and a daily player base of 530, this tower defense game has secured the #3 spot in the ranking of free tower defense games on Steam.
8.5
3,201
438

530
players

4. Dungeon Defenders II

Dungeon Defenders II is a cooperative Action Tower Defense game packed with roleplaying elements like loot, leveling, and pets. Dungeon Defenders II is a multiplayer, online co-op and co-op campaign game developed and published by Chromatic Games. Released on June 20th 2017 has received 21,823 reviews of which 16,882 were positive and 4,941 were negative resulting in a rating of 7.6 out of 10. Attracting a solid base of 395 players due to its free access, this strategy game has achieved the #4 position in the best free tower defense games on Steam.
7.6
16,882
4,941

395
players

5. Bloons TD Battles

Go head to head with other players in a Bloon-popping battle for victory. From the creators of best-selling Bloons TD 5, this all new Battles game is specially designed for multiplayer combat, featuring the ability to control bloons directly and send them charging past your opponent's defenses. Bloons TD Battles is a free to play, tower defense and multiplayer game developed and published by Ninja Kiwi. Released on April 20th 2016 has received 29,096 reviews of which 26,414 were positive and 2,682 were negative resulting in a rating of 8.9 out of 10. Attracting a solid base of 261 players due to its free access, this strategy game has achieved the #5 position in the best free tower defense games on Steam.
8.9
26,414
2,682

261
players

6. Bloons Monkey City

Create, upgrade, and customize your very own Bloons Monkey City in this groundbreaking blend of city building and tower defense awesomeness! Bloons Monkey City is a free to play, strategy and action game developed and published by Ninja Kiwi. Released on April 10th 2020 has received 6,222 reviews of which 5,676 were positive and 546 were negative resulting in a rating of 8.8 out of 10. Attracting a solid base of 257 players due to its free access, this strategy game has achieved the #6 position in the best free tower defense games on Steam.
8.8
5,676
546

257
players

7. Infinitode 2 - Infinite Tower Defense

Infinitode 2 - a strategy in the Tower Defense genre, in which the player will have to build towers to protect his base from endless waves of enemies. The game features huge maps, lots of towers, resource miners, upgrade tree and map editor. Infinitode 2 - Infinite Tower Defense is a level editor, tower defense and building game developed and published by Prineside. Released on May 06th 2021 has received 3,674 reviews of which 3,354 were positive and 320 were negative resulting in a rating of 8.8 out of 10. Attracting a solid base of 190 players due to its free access, this strategy game has achieved the #7 position in the best free tower defense games on Steam.
8.8
3,354
320

190
players

8. Ninja Kiwi Archive

Enjoy some of the best loved Flash games of the past in this awesome time capsule of over 60 Ninja Kiwi classics. Experience a piece of history and play the original Flash games that spawned the worldwide phenomenon of Bloons TD. Ninja Kiwi Archive is a casual, arcade and strategy game developed and published by Ninja Kiwi. Released on July 08th 2020 has received 5,439 reviews of which 5,107 were positive and 332 were negative resulting in an impressive rating of 9.1 out of 10. Attracting a solid base of 163 players due to its free access, this strategy game has achieved the #8 position in the best free tower defense games on Steam.
9.1
5,107
332

163
players

9. Bloons Adventure Time TD

Defend Ooo from the Bloon invasion in this epic tower defense crossover. Bloons Adventure Time TD is a strategy, action and tower defense game developed and published by Ninja Kiwi. Released on January 16th 2019 has received 4,302 reviews of which 3,743 were positive and 559 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #9 spot among the most played free tower defense games on Steam.
8.4
3,743
559

80
players

10. 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. Idle Monster TD: Evolved is a idler, tower defense and strategy game developed and published by Monstermob USA and INC. Released on November 16th 2022 has received 1,199 reviews of which 930 were positive and 269 were negative resulting in a rating of 7.4 out of 10. The game currently holds the #10 spot among the most played free tower defense games on Steam.
7.4
930
269

65
players