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Defend Your Life: TD on Steam
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Defend Your Life! Is tower defense set in human body where players are fighting against villain hordes of viruses and bacteria. Levels and units correspond to reality of human anatomy.
Defend Your Life: TD is a tower defense, casual and strategy game
developed and published by Alda Games.
Released on April 10th 2015 is available on Windows, MacOS and Linux
in 10 languages: English, French, Italian, German, Spanish - Spain, Czech, Japanese, Portuguese - Portugal, Russian and Simplified Chinese.
It has received 575 reviews of which 472 were positive and 103 were negative resulting in a rating of 7.7 out of 10. 😊
The game is currently priced at 9.75€ on Steam, but you can find it for 1.03€ on G2A.
The Steam community has classified Defend Your Life: TD into these genres:
Tower Defense
Casual
Strategy
Indie
2D
Cartoony
Funny
Singleplayer
Puzzle
RTS
Survival
Real Time Tactics
Education
Top-Down
Cartoon
Colorful
Cute
Hand-drawn
Stylized
Tactical
Here is the detailed breakdown of supported languages for Defend Your Life: TD:
| UI | Subtitle | Audio | |
|---|---|---|---|
| English | |||
| German | |||
| French | |||
| Italian | |||
| Spanish - Spain | |||
| Simplified Chinese | |||
| Russian | |||
| Japanese | |||
| Portuguese - Portugal | |||
| Czech |
Media & Screenshots
Get an in-depth look at Defend Your Life: TD through various videos and screenshots.
System requirements
These are the minimum specifications needed to play the game. For the best experience, we recommend that you verify them.
Windows
- OS *: Windows XP Service Pack 3
- Processor: Dual Core CPU
- Memory: 1 GB RAM
- Graphics: OpenGL 3.0 compliant with 512MB of video RAM.
- Storage: 400 MB available space
Steam Price & Best Deals
User reviews & Ratings
Explore reviews from Steam users sharing their experiences and what they love about the game.
This game uses the Kingdom Rush series as a template. It has similar layout and logic, including heros, tower types, paths and upgrades design. The graphics are very good and add to the enjoyment of playing the game. It also has its own innovations that all work well, making it something more than "a game you have played before". It takes a lot of talent, skill and programming to put out a game like this one. It should be noted that this game is pitched to be more difficult than the Kingdom Rush games. I am not sure why they did that, but even the "easy" takes work to get through. This is so after you have gone back and done the rounds on "Medium" and gotten enough strength to move forward. It is slow to move on. Maybe that's not all a bad thing, but there is a lack of balance between progress and difficulty. Also noteworthy is that the upgrade path does not have as many steps as in other games of the same type, including Kingdom Rush. The number of towers is limited to four, but they can be upgraded to newer and different versions in some cases. This may be okay, because, as I understand it from my own experience, people seldom utilize all the towers that are offered. They use a few that they are comfortable with to win the game. Speaking of my personal experience only, I found the game to be really good, but not quite the level of enjoyment from the "Kingdom Rush" games, after which it is modeled. The bottom line is: If you like the Kingdom Rush Genre, then you will like this game too, but with more frustration.
A nice Tower Defense game. Nothing totally original and creative but a nice time waster for probably 5 hours or more if you want to play all levels on each of the three difficulties. The graphics and the music are okay for this type of a game and the price. I bought it during the summer steam sale in 2017 for 49 cent and am happy with it so far. Am most likely going to play it through after beating the first 6 levels. I bet this developer team could do an awesome Dr Mario clone with the Defend Your Life theme. Edit October 2020: Where is the Covid-19 Expansion? Joke aside, I replayed the game, eventually beat that dastardly Brain level and got all trophies except the level your hero to level 50 ones..since it was not neccessary. Stick to my opinion, this game is a nice Tower Defense game, however it really could use some optimation since its getting slow from certain rounds on.
Defend Your Life: TD is a tower defence (TD) game set inside the body of a patient on an operating table. You take control of the body's immune system to fight off waves of tapeworms, flu viruses, alcohol and other nasties. The game has the look of a 1970s educational cartoon. The graphics aren't actually bad. They're just a bit cringeworthy. However, there is a deliberate irony about the visual style and it's actually quite charming in some ways. For example, one of the hero units you can buy is based on the Incredible Hulk. As a TD game, it's quite well balanced and has the right mix to make it addictive fun. One slight drawback is that the menu sits on the right hand side of the screen and obscures the place where the creeps exit, which can cause great frustration when you can't click where you want to.
I'm a big tower defense fan and I think have played most of them (including a majority of the wc3 TD's), and I'm also a sucker for hunting achievments to 100%. (Just for you to know how much your views aligns with mine). Steam says I spent 70 hours on this, but I think half of that is probably closer to the truth. "Defend Your Life" is a "kingdom rush" clone (which I believe set the precendent with "guardhouse"-towers spawning blocker-units). The artstyle is consistent and good enough for any TD as far as I'm conserned. It has a fairly original theme and sticks to it. The gameplay has a few ideas you seldom see in TDs: Like two monster-types that combine into a stronger if you fail in preventing them from meeting up. Or the map with a destroyable bridge to change monsters' path. Or the oxygen-fans (income) that are boostable by your other towers. Nice but not exactly revolutionary - nothing game changing. The amount of towers in your arsenal is sparse at best. The progression feels very standard but there has clearly been an effort to make a few maps specificly target certain talents. It's a good thought - talents should be situational in TD's to make the strategic choices interesting. BUT it fails short because the talents are too dull and the choices are too stupid: "On this map you can only use power ups" or "On this map you'll only see one monster type the first 20 waves and then it changes" (Yeah, there is actually a pop-up message telling you just that as the map begins). The biggest issue this game has is the hero-control. It's clearly made for phones/tablets. It feels like it has been copied from similar games. Actually I'm sure it has been copied. It's WAY too familiar and I wouldn't be surprised if I learned the control scheme is coming directly from the unity asset store, perhaps some TD kit? The problems with moving your hero (or not moving your hero) depending on if you click on pathable or non-pathable ground. The notion that deselecting your hero after moving him once. The way your hero approaches monsters, ignoring any and all pathing while the monster stops to wait. It's all way too familiar, and it's not good! On later levels a big chunk of the gameplay depend on you targeting specific monsters, and the controls being so inprecise can be infuriating. There are however decent keyboard shortcuts in this game which I applaud the devs for! (In worse TD's It's the face palm moment when a mobile port TD hasn't even bothered to include keyboard shortcuts) I also really appreciate the difficulty of the last (say 5 or so) levels in the game. You can't avoid any of the achievments as go through the game, which makes them bland and superfluous. (I got the last achievment "Level up your hero to level 50" at level 48, How now that is possible?) So to sum things up: A somewhat generic TD with a fresh layer of paint on top. Poor controls. But it's still better than your average TD and gives you a decent spin for your money. I'd say give it a go if you don't hate TD's and the price is around $5 or less.
Defend your life - Your everyday tower defense game. First of all, I would like to say that I am recommending this game mostly for the casual gamers or for younger players. If you are a gamer that only goes for AAA games, this is not for you (though I guess that goes without saying). So, in general, here are the pro's: + quick / easy / fun to play (mildly adictive) + nice gradual difficulty progression + very fluid + excelent for a first tower defense or for younger audiances + you can beat the hell out of Cancer + Easy to get the full set of achievements + Good value for money. The cons: - Doesnt seem to fit the screen. I keep on getting the impression that I dont see what is going on the edges of the map - Game tends to become very slow during the final waves of the last level. - While playin in window mode, you will have to minimize windows bar - Sometimes the UI blocks you from seeing enemies or selecting them - ...cant recall of anything else that could be bad about it. I started playing Defend your life while I was spending Christmas holidays with the family, as a gap filler in the slower hours, and I couldnt be more pleased. It is a very simple and very basic tower defense game, based on defending your body against all sorts of virus and problems - which will be your enemies. In the begining, the game seems to have a childish look to it, and more adult people will probably relate it to the 80's cartoons "Once upon a time... life". The first couple of levels seem to be extremely easy and you feel that the game will get boring very soon. However, the difficulty level escalates in an interesting progression, and most levels seem to introduce something new. It gives you some time to learn in depth about all the enemies and defenses that you have available without "setting out the wolves" on you from a moment to another. Also, you cannot just jump to the hardest difficulties, as you will have to play "easy" to unblock "medium" and them "medium" to unblock "hard". This has some sense to it, has you will need to get money to evolve your bodies defenses, in order to make it into the harder difficulties. Otherwise, it would just be impossible. You will also have the opportunity to play with heros that will help you defend your body. These characters are upgradable in power, speed and health, and they will be fundamental for you to beat the game in the later stages. For the achievement hunters, it is also a great game to have. You can actually tick most of the achievements on your regular game play. No need to go into laborious tasks that in the end are boring and sound like a lot of work. All in all, it is a quick / easy to play game, that brings you a great value for money. I would recommend it!!! (Another negative - in window mode, it is so easy to forget to close the game and leave the room. I think I got 52h of gameplay in a week and that got me into trouble with my partner, has she thought that I spent the whole week playing games!!!)
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Frequently Asked Questions
Defend Your Life: TD is currently priced at 9.75€ on Steam.
No, Defend Your Life: TD is currently not on sale. You can purchase it for 9.75€ on Steam.
Yes, Defend Your Life: TD received 472 positive votes out of a total of 575 achieving a rating of 7.74.
😊
Defend Your Life: TD was developed and published by Alda Games.
Yes, Defend Your Life: TD is playable and fully supported on Windows.
Yes, Defend Your Life: TD is playable and fully supported on MacOS.
Yes, Defend Your Life: TD is playable and fully supported on Linux.
This information about Defend Your Life: TD is not available yet.
This information about Defend Your Life: TD is not available yet.
No, Defend Your Life: TD does not support VR.
Defend Your Life: TD is a single-player game.
No, Defend Your Life: TD does not currently offer any DLC.
No, Defend Your Life: TD does not support mods via Steam Workshop.
No, Defend Your Life: TD does not support Steam Remote Play.
Yes, Defend Your Life: TD is enabled for Steam Family Sharing. This means you can share the game with authorized users from your Steam Library, allowing them to play it on their own accounts. For more details on how the feature works, you can read the original Steam Family Sharing announcement or visit the Steam Family Sharing user guide and FAQ page.
You can find solutions or submit a support ticket by visiting the Steam Support page for Defend Your Life: TD.
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Additionally, we incorporate data from the SteamSpy API, which offers insights into game sales and player statistics. This helps us present a comprehensive view of each game's popularity and performance within the gaming community.
Last Updates| Steam data | 27 September 2026 20:07 UTC |
|---|---|
| SteamSpy data | 01 October 2026 17:04 UTC |
| Steam price | 08 October 2026 19:12 UTC |
| Steam reviews | 07 October 2026 22:05 UTC |
If you'd like to dive deeper into the details about Defend Your Life: TD, we invite you to check out a few dedicated websites that offer extensive information and insights. These platforms provide valuable data, analysis, and user-generated reports to enhance your understanding of the game and its performance.
- SteamDB - A comprehensive database of everything on Steam about Defend Your Life: TD
- SteamCharts - Analysis of Defend Your Life: TD concurrent players on Steam
- ProtonDB - Crowdsourced reports on Linux and Steam Deck Defend Your Life: TD compatibility
Game modes
Features
Online players
1
Developer
Alda Games
Publisher
Alda Games
Release
10 Apr 2015
Platforms
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