Free Tower Defense Games on Steam
Steam currently has 3,369 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 5/9/2026.
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 80. Its score was calculated by analyzing a total of 2,707,625 reviews on Steam. This breaks down to a total of 2,189,148 positive reviews and 518,477 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. 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 79, placing it in the #2 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 1,135 reviews on Steam. This breaks down to a total of 944 positive reviews and 191 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 |
3. 时光超市
一款融合复古情怀与现代经营策略的超市模拟游戏。在《时光超市》中，你将从一家温馨的小店起步，亲手布置货架、采购商品、服务形形色色的顾客，逐步扩大你的超市。灵活运营，感受岁月静好的慢节奏经营体验。
时光超市 has achieved a Player Score of 91, placing it in the #3 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 490 reviews on Steam. This breaks down to a total of 483 positive reviews and 7 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play 时光超市 on the Steam Deck (though some functionality may be limited).
4. 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 70, placing it in the #4 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 1,643 reviews on Steam. This breaks down to a total of 1,185 positive reviews and 458 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 |
5. DRAGON BALL GEKISHIN SQUADRA
DRAGON BALL GEKISHIN SQUADRA is Dragon Ball's first team-oriented free to play game.
DRAGON BALL GEKISHIN SQUADRA has achieved a Player Score of 65, placing it in the #5 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 9,960 reviews on Steam. This breaks down to a total of 6,522 positive reviews and 3,438 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play DRAGON BALL GEKISHIN SQUADRA on the Steam Deck (though some functionality may be limited).
| Release Date | 9/10/2025 |
| Franchise | Bandai Namco Entertainment |
| Developer | GANBARION Co., Ltd. |
| Publisher | BANDAI NAMCO Entertainment |
| Steam App Id | 2072560 |
6. 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 has achieved a Player Score of 84, placing it in the #6 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 4,285 reviews on Steam. This breaks down to a total of 3,722 positive reviews and 563 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play The Perfect Tower II on the Steam Deck (though some functionality may be limited).
| Release Date | 11/30/2025 |
| Franchise | Fire Sword Studios |
| Developer | Fire Sword Studios |
| Publisher | Fire Sword Studios |
| Steam App Id | 1197260 |
7. 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 #7 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 22,078 reviews on Steam. This breaks down to a total of 17,050 positive reviews and 5,028 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 |
8. 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 has achieved a Player Score of 83, placing it in the #8 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 33,682 reviews on Steam. This breaks down to a total of 28,419 positive reviews and 5,263 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 2 on the Steam Deck (though some functionality may be limited).
| Release Date | 11/30/2021 |
| Franchise | Ninja Kiwi Games |
| Developer | Ninja Kiwi |
| Publisher | Ninja Kiwi |
| Steam App Id | 1276390 |
9. Amazons vs Zombies
Lead a squad of elite Amazons in a post-apocalyptic tactical action RPG. Battle hordes of mutated weirdos, recruit and upgrade unique heroines, and uncover the truth behind Virus G in a story-driven survival adventure.
Amazons vs Zombies has achieved a Player Score of 66, placing it in the #9 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 241 reviews on Steam. This breaks down to a total of 168 positive reviews and 73 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Amazons vs Zombies on the Steam Deck (though some functionality may be limited).
| Release Date | 5/4/2026 |
| Developer | Pixel Paradise |
| Publisher | Flushee 🔞 |
| Steam App Id | 4103710 |
10. CounterSide
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.
CounterSide has achieved a Player Score of 73, placing it in the #10 spot for the best free Tower Defense games. Its score was calculated by analyzing a total of 3,940 reviews on Steam. This breaks down to a total of 2,979 positive reviews and 961 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play CounterSide on the Steam Deck (though some functionality may be limited).
| Release Date | 9/1/2022 |
| Developer | Studiobside Co.,Ltd |
| Publisher | Studiobside Co.,Ltd |
| Steam App Id | 1976440 |
More Free Tower Defense Games
Explore even more rankings for the 100 best free Tower Defense games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 338,607 | 7/9/2013 | 80 | Free | Steam Charts | |
| 1,684 | 5/3/2024 | 79 | Free | Steam Charts | |
| 927 | 3/6/2026 | 91 | Free | Steam Charts | |
| 878 | 1/2/2025 | 70 | Free | Steam Charts | |
| 846 | 9/10/2025 | 65 | Free | Steam Charts | |
| 602 | 11/30/2025 | 84 | Free | Steam Charts | |
| 317 | 6/20/2017 | 76 | Free | Steam Charts | |
| 303 | 11/30/2021 | 83 | Free | Steam Charts | |
| 282 | 5/4/2026 | 66 | Free | Steam Charts | |
| 243 | 9/1/2022 | 73 | Free | Steam Charts | |
 | 226 | 12/19/2017 | 61 | Free | Steam Charts | |
 | 218 | 4/20/2016 | 89 | Free | Steam Charts | |
 | 213 | 5/24/2019 | 88 | Free | Steam Charts | |
 | 175 | 5/6/2021 | 88 | Free | Steam Charts | |
 | 167 | 4/10/2020 | 88 | Free | Steam Charts | |
 | 138 | 7/8/2020 | 90 | Free | Steam Charts | |
 | 114 | 2/17/2024 | 64 | Free | Steam Charts | |
 | 108 | 5/23/2023 | 71 | Free | Steam Charts | |
 | 103 | 9/22/2021 | 50 | Free | Steam Charts | |
 | 98 | 7/23/2015 | 84 | 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. (2026, May 9). Steam Store. Steam Store.
- Valve Corporation. (2026, May 9). Dota 2 on Steam. Steam Store.
- Valve Corporation. (2026, May 5). Idle Hero TD - Tower Defense on Steam. Steam Store.
- Valve Corporation. (2026, April 25). 时光超市 on Steam. Steam Store.
- Valve Corporation. (2026, April 27). Incremental Epic Hero 2 on Steam. Steam Store.
- Valve Corporation. (2026, May 10). DRAGON BALL GEKISHIN SQUADRA on Steam. Steam Store.
- Valve Corporation. (2026, May 7). The Perfect Tower II on Steam. Steam Store.
- Valve Corporation. (2026, April 8). Dungeon Defenders II on Steam. Steam Store.
- Valve Corporation. (2026, April 2). Bloons TD Battles 2 on Steam. Steam Store.
- Valve Corporation. (2026, May 11). Amazons vs Zombies on Steam. Steam Store.
- Valve Corporation. (2026, April 22). CounterSide on Steam. Steam Store.