Free Tower Defense Games on Steam
Steam currently has 2,619 Tower Defense games available to download and play. Explore our list of the best free games ranked by popularity and ratings. Data for this list is calculated from reviews and player counts reported directly by Steam and will be updated in real-time. Free Tower Defense game rankings were last updated on 4/14/2025.
Looking for more? Explore other lists such as:
- Best tower defense games on Steam
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1. 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.
Dota 2 holds the #1 spot for "best free Tower Defense game on Steam" with a Player Score of 81. Its score was calculated by analyzing a total of 2,468,433 reviews on Steam. This breaks down to a total of 2,012,456 positive reviews and 455,977 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Dota 2 on the Steam Deck (though some functionality may be limited).
2. Incremental Epic Hero 2
A mixture of incremental/idle and roleplaying game set in fantasy world filled with monsters and things to explore, where battling is constant, almost everything can be upgraded, and with wide array of various prestige mechanics to always keep things interesting and moving forward!
Incremental Epic Hero 2 has achieved a Player Score of 69, placing it in the #2 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 1,376 reviews on Steam. This breaks down to a total of 983 positive reviews and 393 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Incremental Epic Hero 2 on the Steam Deck (though some functionality may be limited).
| Release Date | 1/2/2025 |
| Developer | Hapiwaku |
| Publisher | Idle System, Inc. |
| Steam App Id | 1690710 |
3. 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 has achieved a Player Score of 78, placing it in the #3 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 601 reviews on Steam. This breaks down to a total of 494 positive reviews and 107 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Idle Hero TD - Tower Defense on the Steam Deck (though some functionality may be limited).
| Release Date | 5/3/2024 |
| Developer | Swell Games LLC |
| Publisher | Swell Games LLC |
| Steam App Id | 2897580 |
4. Minion Masters
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!
Minion Masters has achieved a Player Score of 88, placing it in the #4 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 64,825 reviews on Steam. This breaks down to a total of 58,045 positive reviews and 6,780 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is not possible to play or run Minion Masters on the Steam Deck.
5. 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 has achieved a Player Score of 88, placing it in the #5 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 3,605 reviews on Steam. This breaks down to a total of 3,289 positive reviews and 316 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Infinitode 2 - Infinite Tower Defense on the Steam Deck (though some functionality may be limited).
6. 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 has achieved a Player Score of 76, placing it in the #6 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 21,767 reviews on Steam. This breaks down to a total of 16,847 positive reviews and 4,920 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Dungeon Defenders II on the Steam Deck.
| Release Date | 6/20/2017 |
| Franchise | Chromatic Games |
| Developer | Chromatic Games |
| Publisher | Chromatic Games |
| Steam App Id | 236110 |
7. War Planet Online: Global Conquest
Build your army, dominate your region and lead your alliance to conquer the globe!
War Planet Online: Global Conquest has achieved a Player Score of 62, placing it in the #7 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 903 reviews on Steam. This breaks down to a total of 576 positive reviews and 327 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play War Planet Online: Global Conquest on the Steam Deck (though some functionality may be limited).
8. 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 has achieved a Player Score of 89, placing it in the #8 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 29,067 reviews on Steam. This breaks down to a total of 26,377 positive reviews and 2,690 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Bloons TD Battles on the Steam Deck (though some functionality may be limited).
| Release Date | 4/20/2016 |
| Franchise | Ninja Kiwi Games |
| Developer | Ninja Kiwi |
| Publisher | Ninja Kiwi |
| Steam App Id | 444640 |
9. 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 has achieved a Player Score of 88, placing it in the #9 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 6,149 reviews on Steam. This breaks down to a total of 5,616 positive reviews and 533 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Bloons Monkey City on the Steam Deck (though some functionality may be limited).
| Release Date | 4/10/2020 |
| Franchise | Ninja Kiwi Games |
| Developer | Ninja Kiwi |
| Publisher | Ninja Kiwi |
| Steam App Id | 1252780 |
10. Time Clickers
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!
Time Clickers has achieved a Player Score of 85, placing it in the #10 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 5,045 reviews on Steam. This breaks down to a total of 4,420 positive reviews and 625 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Time Clickers on the Steam Deck (though some functionality may be limited).
| Release Date | 7/23/2015 |
| Developer | Proton Studio Inc |
| Steam App Id | 385770 |
More Free Tower Defense Games
Explore even more rankings for the 100 best free Tower Defense games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 557,571 | 7/9/2013 | 81 | Free | Steam Charts | |
| 1,385 | 1/2/2025 | 69 | Free | Steam Charts | |
| 988 | 5/3/2024 | 78 | Free | Steam Charts | |
| 319 | 5/24/2019 | 88 | Free | Steam Charts | |
| 253 | 5/6/2021 | 88 | Free | Steam Charts | |
| 251 | 6/20/2017 | 76 | Free | Steam Charts | |
| 226 | 12/19/2017 | 62 | Free | Steam Charts | |
| 226 | 4/20/2016 | 89 | Free | Steam Charts | |
| 216 | 4/10/2020 | 88 | Free | Steam Charts | |
| 162 | 7/23/2015 | 85 | Free | Steam Charts | |
 | 129 | 7/8/2020 | 91 | Free | Steam Charts | |
 | 116 | 2/17/2024 | 68 | Free | Steam Charts | |
 | 106 | 1/16/2019 | 84 | Free | Steam Charts | |
 | 91 | 9/22/2021 | 50 | Free | Steam Charts | |
 | 85 | 5/23/2023 | 71 | Free | Steam Charts | |
 | 62 | 6/20/2021 | 69 | Free | Steam Charts | |
 | 59 | 5/19/2021 | 71 | Free | Steam Charts | |
 | 50 | 7/25/2023 | 89 | Free | Steam Charts | |
 | 49 | 11/16/2022 | 74 | Free | Steam Charts | |
 | 45 | 10/21/2015 | 89 | Free | Steam Charts |
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Player counts and rankings are enriched, analyzed, and updated in real-time to ensure we surface the most up-to-date insights. Learn more about the Steambase approach to data collection and our review methodology.
- Valve Corporation. (2025, April 14). Steam Store. Steam Store.
- Valve Corporation. (2025, April 14). Dota 2 on Steam. Steam Store.
- Valve Corporation. (2025, March 13). Incremental Epic Hero 2 on Steam. Steam Store.
- Valve Corporation. (2025, April 15). Idle Hero TD - Tower Defense on Steam. Steam Store.
- Valve Corporation. (2025, April 11). Minion Masters on Steam. Steam Store.
- Valve Corporation. (2025, March 26). Infinitode 2 - Infinite Tower Defense on Steam. Steam Store.
- Valve Corporation. (2025, April 10). Dungeon Defenders II on Steam. Steam Store.
- Valve Corporation. (2025, March 13). War Planet Online: Global Conquest on Steam. Steam Store.
- Valve Corporation. (2025, April 15). Bloons TD Battles on Steam. Steam Store.
- Valve Corporation. (2025, March 19). Bloons Monkey City on Steam. Steam Store.
- Valve Corporation. (2025, March 8). Time Clickers on Steam. Steam Store.