Top-Rated Free Tower Defense Games on Steam

43 free Tower Defense games with 500+ reviews and a 70%+ positive rating, newest first.

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The Perfect Tower II - Players say: Defend a lone tower through enemy waves, then spend rewards on town upgrades, linked minigames, and automation. Players like: Deep System Variety · Tower Build Options · Ongoing Unlocks ·
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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!

Diplomacy is Not an Option: Shareware - Players say: As Duncan Ironbrow, build a medieval settlement, grow its economy and army, and hold your castle against enemy waves. Players like: City-Building Defense · Tactical Base Planning · Hard-Won Victories ·
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Diplomacy is Not an Option: Shareware is a free prequel to the original game. In a medieval fantasy world, you are to build settlements, raise huge armies, and defend against massive hordes of enemies. Learn how Ironbrow clan shaped the world's map the first time - if you survive, that is.

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Apr 30, 2025
92% 👍
of 826
Nordhold: Origins - Players say: Build a Nordic village, balance its economy, and combine towers, heroes, and relics to withstand 20 enemy waves. Players like: Village Economy · Flexible Tower Builds · Changing Run Combos ·
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Immerse yourself in Nordhold: Origins, a tower defense game with high replayability. Build a medieval Nordic village, develop its economy, and defend it with unique towers and upgrades. Choose heroes and relics, compete on leaderboards, and aim for the Valhalla rank!

Legacy of Defense - Prologue - Players say: Defend against monster waves in side-scrolling battles, choosing skill cards and leveling your hero to build stronger runs. Players like: Skill Build Combinations · Auto Combat Mode · Persistent Run Upgrades ·
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Become the hero of a fantasy world and defend against monsters! 'Legacy of Defense - Prologue' is the intro to the innovative game 'Legacy of Defense' combining side-scrolling action and deck-building. Collect cards, use skills, gain experience, upgrade, and defeat the final boss!

Idle Hero TD - Tower Defense RPG - Players say: Place fantasy heroes to stop monster waves, build skill synergies, and grow stronger through repeatable tower-defense runs. Players like: Hero Synergies · Layered Progression · Background Idling ·
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Endless Idle Tower Defense with deep strategy and RPG progression and combat mechanics. Recruit, upgrade, and position powerful fantasy heroes, discover game-changing synergies, and survive infinite monster waves. Grow stronger every run with literally millions of upgrades and endless auto battles.

Toy Shire: Room One - Players say: Defend Kevin’s toy room from forgotten playthings by building towers, positioning green soldiers, and countering enemy waves. Players like: Toy-Box Nostalgia · Tower-Troop Strategy · Charming Visuals ·
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Are you prepared for a thrilling toy army tower defense adventure? Welcome to the Toy Shire! Battle diverse foes in various locations, defend your family, and repel foes from your area. Save the world by strengthening your defense with toy towers! FULL GAME AVAILABLE NOW!

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Mar 13, 2024
94% 👍
of 1.3k
FROM ASHES, BLOOM - Players say: Defend Earth’s oldest tree from human attackers by planting projectile-firing trees and battling waves as a tentacled creature. Players like: Fun Short Sessions · Tree-Based Defense · Colorful Cute Style ·
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A minimalist rogue-like tower defense where you protect Earth against humanity.

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Mar 11, 2024
93% 👍
of 767
Monster Tiles TD: Tower Wars - Players say: Build a shifting maze from earned tiles, then evolve monster towers and combine their abilities to stop invading space pirates. Players like: Custom Maze Building · Tower Choices · Replayable Tile Runs ·
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Free Tower Defense game with unique roguelike elements. Custom base building mechanics allow you to create your own base and maze with tiles earned after each wave. Unleash a variety of monsters, each with its own evolution path and unique skills, and evolve them into legendary creatures.

Idle Monster TD: Evolved - Players say: Place and evolve monster towers, combine their abilities, and defend a portal from endless waves of invading humans. Players like: Monster Variety · Strategic Placement · Idle Progression ·
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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.

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Nov 16, 2022
76% 👍
of 1.3k
CounterSide - Players say: Lead a company of Counters against Corrupted Objects, deploying squads in real-time side-view battles amid an urban sci-fi story. Players like: Story and Worldbuilding · Character Writing · Art and Soundtrack ·
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Everything has another side Urban Graphic Novel RPG "CounterSide" A world where conflict never ends between Counters and Corrupted Objects after the Administration Failure We invite you to a journey to save the Reality.

Citywars Tower Defense - Players say: Fight on the front line as you gather and craft, build towers, and defend a crystal from waves of monsters. Players like: Unusual Genre Blend · Co-op Teamwork · Tower Variety ·
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Citywars TD is a cute multiplayer third person Survival Tower Defense. Build towers, gather resources, craft tools, upgrade weapons, level up buildings, expand your city with your friends and work under pressure before the next incoming wave of monsters.

Crystal Clash - Players say: Build a two-Legion card deck, summon units and cast spells along a lane, then break through defenses to destroy the enemy crystal. Players like: Tactical Deckbuilding · Unit Placement And Timing · Distinct Legion Strategies ·
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Crystal Clash is a mix of Lane Battles and Deckbuilding - with action-packed tug-of-war strategy, just like your favorite RTS mods from back in the day! :) Play 2v2 or co-op with a friend, or pair up with new allies and enemies! Collect cards, build your decks and have fun crushing your enemies!

Bloons TD Battles 2 - Players say: Build monkey defenses, manage your economy, and send escalating Bloons at an opponent in fast-paced one-on-one tower defense. Players like: Strategic One-on-Ones · Competitive Matches · Fun With Friends ·
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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!

Sea Brawl Autobattler - Players say: Draft a pirate crew from a changing minion pool, build faction synergies, and watch your squad battle in an eight-player autobattler. Players like: Strategic Team Builds · Easy To Learn · Faction Variety ·
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Sea Brawl Autobattler is a New and Original 8-players Card Auto Battler. Immerse yourself in a stunning fantasy Pirate setting and recruit your Crew between more than 150 unique minions, spells and equipments. Build up your strategy and dominate the ladder!

Dwerve: Prologue - Players say: As a young dwarf tinkerer, explore a ruined kingdom and place turrets and traps to turn back waves of monsters. Players like: Tower-Defense RPG Mix · Tactical Turret Placement · Challenging Battles ·
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Begin your apprenticeship as Dwerve! Tinker with a couple of the turrets! Meet your companions! Learn the basic strategies and tactics of turret-based combat. Hone your tower-defense dungeon-crawling skills so you're ready for the full game!

Idle Monster TD - Players say: Command elemental monsters, place them as defenses, and upgrade your team to hold back endless waves of invading robots. Players like: Monster Variety · Elemental Team Synergy · Idle Progression ·
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An endless Tower Defense game of epic Monsters vs evil War Machines. Unlock and upgrade tons of unique elemental Monsters (Water, Air, Earth, and Fire) to defend your home from an infinite swarm of robots. Strategize the most effective placement of Monsters to synergize their elemental abilities.

Infinitode 2 - Infinite Tower Defense - Players say: Place specialized towers against enemy waves, mine resources during battles, and research upgrades across a sprawling defense campaign. Players like: Strategic Tower Placement · Deep Research Tree · Tower Variety ·
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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.

Vectorio Classic - Players say: Claim map resources, build powered defenses, research weapons, and expand your base to withstand enemy shapes and four guardians. Players like: Addictive Progression · Tower Defense Appeal · Resource Logistics ·
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The original, uncompleted version of Vectorio. Claim resources, unlock new buildings, and expand your defenses as you fight back against enemy forces in the classic edition of Vectorio! Play for free now.

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Mar 22, 2021
93% 👍
of 1.5k
Grow Defense - Players say: Build up a castle’s weapons and skills, then defend against monster waves and bosses as you push through tougher zones. Players like: Enjoyable Early Game · Mining Missions · Gear Customization ·
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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!

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Jan 10, 2021
76% 👍
of 607
The Riftbreaker: Prologue - Players say: As Captain Ashley in a combat mech, explore an alien planet, build a resource network, and repel escalating creature attacks. Players like: Interconnected Base Systems · Mech Combat · Base Defense ·
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The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.

Ninja Kiwi Archive - Players say: A collection of 60+ original Ninja Kiwi Flash games, from Bloons tower defense to arcade, action, and strategy titles. Players like: Flash Game Preservation · Childhood Nostalgia · Bloons Classics ·
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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.

Outpost - Players say: Gather resources by day, build defenses, and survive the nights in a procedurally generated world that changes with the seasons. Players like: Survival Tower Defense · Upgrade Tree Progression · Gear And Item Combos ·
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Outpost brings the perfect mix between survival and roguelite gameplay. Start the game in a randomly generated environment and try to adapt, and make it through as many nights as possible. How long can you survive?

Bloons Monkey City - Players say: Capture bloon-infested tiles through tower-defense battles, then build and upgrade a monkey city that strengthens future defenses. Players like: City-and-TD Mix · Rewarding Expansion · Strategic Bloon Battles ·
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Create, upgrade, and customize your very own Bloons Monkey City in this groundbreaking blend of city building and tower defense awesomeness!

They Can't Stop All Of Us - Players say: Defend an Area 51-style base with weapons and freeform traps, or send waves of AI troops to break through enemy defenses. Players like: Asymmetric Battle Concept · Absurd Area 51 Humor · Short Score-Chasing Runs ·
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D.A.B. Your foes in co-op & PvP battles. (D)efend bases with weapons and skill. (A)ttack with clever AI armies. (B)uild amazingly creative defenses.

Rise of Legions - Players say: Build a 12-card force of creatures, spells, and structures, then deploy it in tactical real-time duels or team battles. Players like: Hybrid Strategy Combat · Deck-Building Variety · Tactical PvP Matches ·
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Rise of Legions has shut down. It was a strategy and deck building game with dynamic, tactical gameplay.

Minion Masters - Players say: Build a deck of minions and spells, deploy them in real-time lane battles, and seize bridges to unlock your Master's powers. Players like: Quick Matches · Deckbuilding Variety · Co-op 2v2 ·
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An addictive fast-paced hybrid of Card games & Tower-Defense. Play 1v1 - or bring a friend for 2v2 - and engage in epic online multiplayer battles full of innovative strategy and awesome plays! Collect 200+ cards with unique mechanics, all free!

The Defender: Farm and Castle - Players say: Play an archer defending a castle from monster waves while harvesting crops, managing resources, and unlocking combat skills. Players like: Farm-Defense Blend · Archer Skill Upgrades · Simple to Learn ·
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You are an archer tasked with defending a castle from invading monsters. Inside the castle, you can manage resources and harvest crops, gather experience points to level up, and learn new skills and abilities to face stronger enemies.

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May 16, 2019
89% 👍
of 720
Bloons Adventure Time TD - Players say: Defend the Land of Ooo from Bloon waves by placing Adventure Time characters and monkeys, then tailoring their gear and abilities. Players like: Adventure Time Crossover · Character Loadouts · Strategic Tower Defense ·
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Defend Ooo from the Bloon invasion in this epic tower defense crossover.

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Jan 16, 2019
87% 👍
of 4.8k
Prime World: Defenders 2 - Players say: Defend a fantasy kingdom from monster waves by building tower layouts, casting spells, and upgrading a card-based arsenal. Players like: Tower Defense Battles · Tower Variety · Tower Upgrade System ·
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Defenders 2, - an exciting hybrid of Tower Defense and CCG, - is now available on Steam! Challenge endless hordes of monsters: build an impassable defense on their path and protect your mines. Collect all the unique towers and prove that even a tornado is not an obstacle for you.

Touhou Big Big Battle - Players say: Lead Touhou characters in real-time battles, build an army deck, manage resources, and unleash spell cards against opponents. Players like: Strategic Unit Combos · Familiar Touhou Cast · AI and Co-op Battles ·
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just a touhou rts game

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Sep 10, 2018
80% 👍
of 4.0k
GUNS UP! - Players say: Build defenses and send troops against rival bases, using battlefield abilities to support attacks and strengthen your army. Players like: Strategic Base Defense · Comic-Style Art · Unit Combinations ·
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GUNS UP! is a free-to-play side-scrolling strategy game that pits players against each other in a battle to destroy enemy bases to increase their own army’s strength. GUNS UP! combines the fun of enemy base invasion with tower–defense, for an experience like no other!

Dungeon Defenders II - Players say: Build defenses to protect Etheria's crystals, then switch heroes and fight enemy waves solo or with up to three others. Players like: Tower-Action Hybrid · Flexible Hero Builds · Co-op With Friends ·
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Dungeon Defenders II is a cooperative Action Tower Defense game packed with roleplaying elements like loot, leveling, and pets.

Dropzone - Players say: Command three customizable combat mechs in 15-minute sci-fi matches, battling rivals and aliens to score by securing Cores. Players like: Tactical Squad Builds · Short Matches · Mech Visuals ·
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Dropzone is a game of action, strategy and skill. Win 15 minute battles by scoring points. Unlock gear, customize your squad of up to 3 Units and compete in Team 3v3, 2v2 or 1v1 matches. Lay claim to the riches of Europa!

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Feb 15, 2017
70% 👍
of 871
Zombie Defense - Players say: Place and reposition soldiers to defend against zombie waves, using upgrades, weapons, supplies, and airstrikes to hold the line. Players like: Straightforward Tower Defense · Enjoyable Upgrade Loop · Nostalgic Appeal ·
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A modern hybrid of the classic RTS and modern Tower Defense. Recruit soldiers, place them on slots and let them shoot incoming waves of zombies by their own. Order supplies, throw grenades, order airstrikes and many more... Perfect mix of strategy, tactics and micromanagement.

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Sep 30, 2016
84% 👍
of 2.2k
One Troll Army - Players say: Control a giant troll defending a goblin fort: fight enemy waves, assign workers, gather resources, and build up defenses. Players like: Active Troll Combat · Fort Building · Troll Upgrades ·
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Play as a giant troll in One Troll Army - a defense game about building forts, upgrading your troll, and fighting off waves of enemies. Play Against The Twitch Chat!

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May 19, 2016
86% 👍
of 1.5k
Bloons TD Battles - Players say: In real-time tower-defense duels, build monkey defenses, manage income, and send bloons to overwhelm another player. Players like: Strategic PvP Depth · Fast Tactical Matches · Tower and Strategy Variety ·
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Go head to head with other players in a Bloon-popping battle for victory. From the creators of best-selling Bloons TD 6, 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.

Kingdom: Classic - Players say: Ride a horse across a procedurally generated realm, build with coins by day, and defend your kingdom from night raids. Players like: Simple Strategy Loop · Pixel Art and Music · Tense Night Raids ·
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Kingdom is a 2D sidescrolling strategy/resource management hybrid with a minimalist feel wrapped in a beautiful, modern pixel art aesthetic.

Time Clickers - Players say: Aim and fire at cube waves for gold, upgrade your pistol, and build a team that attacks and earns while you’re away. Players like: Background Idle Play · Aim-and-Shoot Mechanic · Satisfying Upgrade Growth ·
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Time Clickers is what's called an 'incremental game'. There's always a fun upgrade to look forward to, and the numbers keep getting bigger! Hire a team to fight for you, even when you're offline!

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Jul 23, 2015
87% 👍
of 5.1k
Battle for Blood - Epic battles within 30 seconds! - Players say: Assemble a squad, match tiles to summon soldiers, and upgrade your force through monster-filled battles across 60 levels. Players like: Match-Three Strategy · Varied Soldier Types · Army Upgrades ·
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Constant fun and excitement! Bloody fighting from the start. Epic battles within 30 seconds. An all-new game type is coming!

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Jul 8, 2015
74% 👍
of 806
Get Off My Lawn! - Players say: As 78-year-old Murray, shoot waves of aliens attacking your lawn, collect orbs, upgrade weapons, and unleash special powers. Players like: Simple Arcade Defense · Grumpy Alien Showdown · Rising Wave Challenge ·
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They came in peace, but messed with the wrong old man. Armed with a musket, 78 year old Murray Mendelson has single-handedly started an interstellar war. Shoot first and ask questions later in this endless fast paced arcade shooter. Use everything in Murray’s arsenal to keep the aliens off of his perfectly manicured lawn!

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Nov 11, 2014
74% 👍
of 1.7k
Yet Another Zombie Defense - Players say: Build defenses by day, then shoot through escalating zombie waves at night alone or with friends in this top-down survival game. Players like: Co-op With Friends · Day-Night Defense Loop · Easy to Pick Up ·
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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.

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Mar 28, 2014
87% 👍
of 12k
Dota 2 - Players say: Choose a hero in a five-player team and combine abilities, items, and strategy to outplay opponents and destroy their Ancient. Players like: Strategic Match Depth · Wide Hero Variety · Satisfying Team Fights ·
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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.

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Jul 9, 2013
81% 👍
of 2.8M
Sang-Froid - Tales of Werewolves - Players say: In 19th-century Canada, choose an O’Carroll brother, lay traps by day, then hunt werewolves and other beasts after dark. Players like: Trap Planning · Folklore Atmosphere · Day-Night Hunts ·
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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!