Defend Your Life: TD
Developed by Alda Games · Published by Alda Games
At a glance
Overview
An action, casual, indie game by Alda Games, published by Alda Games — single-player.
Steam’s own one-line description: “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.” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Defend Your Life: TD.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | No |
| Partial controller support | No |
| Steam Cloud saves | No |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- 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
Recommended
- OS *: Windows XP Service Pack 3
- Processor: Dual Core CPU
- Memory: 2 GB RAM
- Graphics: OpenGL 3.0 compliant with 1.0GB of video RAM.
- Storage: 400 MB available space
Supported languages (10)
Defend Your Life: TD FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Defend Your Life: TD?
Steam classifies Defend Your Life: TD as a Action, Casual, Indie, Strategy game, developed by Alda Games. 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.
How much does Defend Your Life: TD cost?
As of June 2026, Steam lists Defend Your Life: TD at $3.99. Prices and regional pricing change — check the Steam page for the current figure.
Is Defend Your Life: TD single-player or multiplayer?
Steam lists these modes for Defend Your Life: TD: Single-player. It lists a single-player mode.
Is Defend Your Life: TD on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Defend Your Life: TD for Windows, macOS, Linux. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Defend Your Life: TD out yet?
Yes — Steam lists a release date of Apr 10, 2015.
What platforms is Defend Your Life: TD on?
Defend Your Life: TD is listed for Windows, macOS, Linux on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Defend Your Life: TD single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Defend Your Life: TD cost?
Steam lists it at $3.99.
Does Defend Your Life: TD have achievements?
Yes — Steam lists 20 achievements for Defend Your Life: TD.
Who made Defend Your Life: TD?
Defend Your Life: TD is developed by Alda Games and published by Alda Games.
Where to get Defend Your Life: TD
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data · official site. Not affiliated with Valve/Steam, Alda Games.