Defend Your Life: TD

About

Defend Your Life: TD is a single player casual strategy game. It was developed by Alda Games and was released on April 10, 2015. It received mostly positive reviews from players.

"Defend Your Life" is a tower defense game set within the human body, where players strategically place towers and use upgrades to fight against villainous hordes of viruses and bacteria. The game offers 17 levels in various organs, including 2 epic boss fights against Stonekid and Cancer. Command Platelet soldiers, upgrade 3 attacking towers, and enjoy the detailed graphics and interactive environments.

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Play Modes

Single-Player

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75%

Audience ScoreBased on 478 reviews

gameplay16 positive mentions

grinding18 negative mentions

The game features a unique theme of defending the human body from viruses and bacteria, which adds an interesting twist to the tower defense genre.
The graphics are charming and colorful, providing a fun visual experience that appeals to both casual and younger players.
The gameplay is engaging with a decent variety of tower upgrades and hero mechanics, making it enjoyable for tower defense enthusiasts.

The game becomes excessively difficult in later levels, often requiring repetitive grinding to progress, which can be frustrating for players.
As a mobile port, it suffers from performance issues and lacks optimization for PC, including limited resolution options and a clunky interface.
The gameplay mechanics are considered generic and unoriginal, with many players feeling it does not bring anything new to the tower defense genre.

gameplay
56 mentions Positive Neutral Negative
29%
66%
5%
The gameplay is generally described as a generic tower defense experience, featuring solid mechanics that are easy to learn but can feel repetitive and shallow over time. While the game includes unique elements like monster combinations and diverse tower upgrades, it suffers from performance issues and awkward mobile port mechanics. Overall, it may appeal to casual players and achievement hunters, but those seeking innovation or depth in gameplay might find it lacking.
- “The mechanics are classic, quick to learn, and fun to play, with only 4 types of towers but well made: each one has 2 or 3 specializations with 3 to 6 enhancements, well depicted, different, and useful.”
- “The gameplay has a few ideas you seldom see in tower defense games: like two monster types that combine into a stronger one if you fail in preventing them from meeting up.”
- “It is very solid gameplay that sticks to the basics.”
- “There are better tower defense games out there; the price is right, but the gameplay just kind of drags on.”
- “The art style doesn't warrant such poor performance; the gameplay is a watered-down version of every other tower defense game to ever exist, and the sound design quickly becomes annoying.”
- “Ignoring the infuriating performance of the game that is enough to not recommend it, the mechanics themselves are as generic as they come.”
graphics
47 mentions Positive Neutral Negative
45%
42%
13%
The graphics of the game receive mixed reviews, with some players appreciating the clean and charming art style, while others criticize it for being simplistic or reminiscent of a mobile port. Many agree that the visuals are decent for the price, but there are complaints about performance issues and a lack of graphical options. Overall, the graphics are seen as above average for the genre, though not particularly groundbreaking.
- “The graphics are beautiful, though frames drop when things get heated.”
- “The graphics are charming and well done.”
- “Clean & crisp visuals.”
- “Simple cartoony graphics with weird K-Mart off-brand art design, cheesy music, some Engrish, a decent sense of progression, and rising challenge.”
- “Text boxes literally cut out mid-letter, there are no graphical options, no fullscreen, nothing like that.”
- “Despite its low-quality graphics (no 1920x1080), I could've liked this game because it has a nice concept.”
grinding
18 mentions Positive Neutral Negative
100%
The game features significant grinding, particularly for achievements and hero upgrades, which can transform enjoyable gameplay into a tedious chore. While some players found the grinding manageable and fast compared to other titles, others criticized the reliance on money farming and repetitive playthroughs to progress. Overall, the emphasis on grinding detracts from the experience, making it feel overly reliant on time investment.
- “It's a decent tower defense game with a different setting, but some levels lag and there is a certain achievement in the game which requires unnecessary grinding.”
- “Instead, you have to grind (as there's no microtransactions). You have to play through on easy, upgrade, play through again on easy getting 3 stars, switch to medium difficulty, play through, upgrade and play through again to get 3 stars, etc. What started as a fun game quickly becomes a tedious chore you just wish would end.”
- “The grinding achievement that took me well over 4 hours to complete after I was done with the others did not unlock.”
story
16 mentions Positive Neutral Negative
50%
31%
19%
The story is generally considered interesting and engaging, particularly in the early missions, but it becomes repetitive and overly challenging as the game progresses. While some players appreciate the narrative's depth and the additional gameplay hours it offers, others find the health concept and mission structure lacking, leading to a negative overall impression.
- “This one I like because it is a hard challenge and yet you can still beat it eventually; some make it feel impossible, but eventually you can get this one and its interesting story, so I like it.”
- “+ Good new story that adds several hours to the game time.”
- “I'm not crazy about the health concept that provides the 'story' for this game, but from a gameplay perspective, it is really good.”
- “My final impression about this story and setting is totally negative.”
- “- waves of each mission are short and always the same.”
- “I'm not crazy with the health concept that provides the 'story' for this game.”
music
14 mentions Positive Neutral Negative
21%
58%
21%
The music in the game is described as light and plucky, with some reviewers finding it cheesy and unremarkable, while others appreciate it as a fitting accompaniment to the gameplay. Overall, it is considered acceptable for the game's style and price, though some players wish for more variety and the option to turn it off. Despite mixed opinions, the music contributes positively to the experience of progression and unlocking upgrades.
- “The music alone makes it worth it, let alone the thrill of unlocking upgrades and facing new enemies.”
- “There are good soundtracks and so many different types of towers.”
- “The graphics are cute, and the music is light and plucky.”
- “The soundtrack is unremarkable, and I can remember nothing I want to say about it.”
- “The main menu option is a lie: it won't let you turn off the background music.”
- “The music is cheesy and feels out of place with the overall design.”
optimization
14 mentions Positive Neutral Negative
21%
50%
29%
The game's optimization is notably poor, with significant frame rate drops occurring in later levels, particularly on hard difficulty, where players have reported experiencing as low as 9 frames per second. Despite some users noting that the game runs smoothly at times, the overall performance issues, especially given the game's basic mechanics and art style, have led to strong criticism and recommendations against playing it.
- “Runs smoothly”
- “And, then again, considering how basic this game is, there really shouldn't be performance issues.”
- “Ignoring the infuriating performance of the game that is enough to not recommend it, the mechanics itself are as generic as they come.”
- “My final complaint is regarding game performance; in later levels on hard difficulty, performance (fps) starts to take a noticeable hit. In the final level (the brain), by the end of the level, my i7 6700, 32GB, 980 Ti rig was producing a mere 9, yes nine frames per second.”
- “The art style doesn't warrant such poor performance. The gameplay is a watered-down version of every other tower defense game to ever exist, the sound design quickly becomes annoying, and for 79p on sale, I still wouldn't recommend it.”
- “Doesn't have 1080p resolution and it's poorly optimized.”
humor
8 mentions Positive Neutral Negative
100%
The game is praised for its humorous concept, particularly the comedic premise of navigating through a character's body to combat germs. Players appreciate the funny elements woven into the gameplay, especially in the tower defense mechanics, although some users report a significant bug on Linux that hampers the experience.
- “I find it hilarious going through this dude's body fighting off germs and whatnot.”
- “Great tower defense with a good sense of humor.”
- “The concept is really funny.”
monetization
6 mentions Positive Neutral Negative
50%
17%
33%
The monetization aspect of the game primarily revolves around in-game purchases of diamonds, which can be used to buy additional resources like oxygen and lives. While the game is designed to be beatable without these purchases, it is a port of a freemium mobile game that typically relies on microtransactions and ads for revenue. Overall, players can enjoy the game without spending money, especially if microtransactions are disabled.
- “Fun little game with microtransactions turned off!”
- “The game is beatable without in-game purchases, which is a great feature.”
- “You can easily change item numbers to provide you in-game 'money' if needed.”
- “The only negative is the available in-game purchase of diamonds, which you can use to buy additional oxygen, lives, and adrenaline shots. The game is beatable without this, but if you fail to do that, you can easily change the item numbers to provide you in-game 'money'.”
- “This game infuriates me beyond belief. It is a mobile port, a port of a 'freemium' game that is free to download on tablets and phones, where money is earned by the sale of 'gems' (and probably ads as well).”
replayability
6 mentions Positive Neutral Negative
50%
17%
33%
The game offers reasonable replayability, particularly for players who enjoy improving their scores, and introduces a unique twist to the tower defense genre. However, some users feel that it lacks depth, which negatively impacts its overall replay value.
- “Replay value is high if you enjoy achieving better scores.”
- “Not a very in-depth game, but it offers reasonable replayability and its own twist on the tower defense genre.”
- “The game has a good level of replayability, keeping players engaged with its unique mechanics.”
- “For me, at least, it destroys replayability.”
- “Not a very in-depth game but reasonable replayability and its own twist to the tower defense genre.”
atmosphere
4 mentions Positive Neutral Negative
75%
25%
Reviewers consistently highlight the game's unique and immersive atmosphere, emphasizing its importance alongside gameplay. Many express a strong appreciation for the distinct ambiance that enhances their overall experience.
- “The game has a unique atmosphere that I really enjoy.”
- “Atmosphere and gameplay always come first in my book.”
- “The atmosphere is captivating and draws you into the experience.”
stability
2 mentions Positive Neutral Negative
100%
Users report a high level of stability, noting that they encountered no glitches during their experience.
- “No glitches that I found.”
- “No glitches that I found.”
character development
2 mentions Positive Neutral Negative
100%
The game features engaging character development alongside a fun defense gameplay mechanic, complemented by humorous enemies and troops that enhance the overall experience.
- “Good fun defense game with character development, comical enemies, and troops.”

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52h Median play time

52h Average play time

52-52h Spent by most gamers

*Based on 2 analyzed playthroughs

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Frequently Asked Questions

Defend Your Life: TD is a casual strategy game.

Defend Your Life: TD is available on PC, Mac OS, Windows and Linux.

On average players spend around 52 hours playing Defend Your Life: TD.

Defend Your Life: TD was released on April 10, 2015.

Defend Your Life: TD was developed by Alda Games.

Defend Your Life: TD has received mostly positive reviews from players. Most players liked this game for its gameplay but disliked it for its grinding.

Defend Your Life: TD is a single player game.

Similar games include Kingdom Rush, Kingdom Rush, Super Sanctum TD, Last Hope - Tower Defense, Ancient Planet and others.

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