PCGame

Defense Zone 3 Ultra HD

Tower defense where weapon combinations hold back attacking armies

Artem Kotov · Released Dec 14, 2016

ActionIndieStrategy

Reviews
Mostly Positive
79% of 524
Recent reviews
Not enough recent
Players
13
daily peak, Oct 30, 2026
Steam Deck
Playable
Last update on Steam
11 months ago
Nov 21, 2025
Minimum PC
OpenGL compatible.
1 GB RAM · 0.5 GB disk
Full requirements

What is Defense Zone 3 Ultra HD?

A level-based tower defense game where you spend a limited budget to build or upgrade turrets. You choose placements around each weapon’s range, firing speed, and damage type, then use support abilities such as air strikes and nuclear bombs.

For you if...

  • +you enjoy refining strategies through trial and error

Not for you if...

  • −you want multiplayer battles rather than solo defense

What players say

79% of 524 reviews are positive

Players praise the tactical challenge, though many criticize the difficulty balance, saying even easy becomes excessively hard. Complaints also focus on heavy micromanagement and the need to time abilities precisely.

Screenshots and trailer

Defense Zone 3 Ultra HD screenshot 1

Defense Zone 3 Ultra HD system requirements

Minimum: OpenGL compatible., 1 GB RAM, 0.5 GB of disk space.

As published by the developer.

Can my PC run Defense Zone 3 Ultra HD?

Tell us your graphics card once and every game page will answer this for you.

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Minimum

OS
Microsoft Windows 7 or later
Processor
1.5GhZ
Graphics
OpenGL compatible. ATI, NVIDIA or Intel HD. Older Intel graphics cards may have slowdown issues.
Memory
1024 MB RAM
Storage
512 MB available space
DirectX
Version 9.0

Recommended

OS
Microsoft Windows 7 or later
Processor
2.0
Graphics
OpenGL Compatible. ATI, NVIDIA or Intel HD. Older Intel graphics cards may have slowdown issues.
Memory
2048 MB RAM
Storage
512 MB available space
DirectX
Version 9.0

Does Defense Zone 3 Ultra HD have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Does Defense Zone 3 Ultra HD run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

  • Some in-game text is small and may be hard to read
  • All functionality is accessible with the default controller configuration
  • Shows Steam Deck controller icons
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows, macOS, Linux
Achievements
129
Steam features
Cloud saves, Family Sharing
Languages
Full audio: English, Russian. Text only: French, Italian, German, Spanish - Spain, Arabic, Portuguese - Brazil, Hungarian, Greek, Traditional Chinese, Simplified Chinese, Korean, Polish, Portuguese - Portugal, Turkish, Ukrainian, Finnish, Swedish, Japanese, Bulgarian, Vietnamese, Danish, Spanish - Latin America, Dutch, Norwegian, Romanian, Thai, Czech, Azerbaijani, Albanian, Armenian, Afrikaans, Belarusian, Bangla, Bosnian, Galician, Georgian, Gujarati, Hebrew, Indonesian, Irish, Icelandic, Kazakh, Kannada, Catalan, Khmer, Kyrgyz, Latvian, Lithuanian, Macedonian, Malay, Marathi, Mongolian, Punjabi (Gurmukhi), Punjabi (Shahmukhi), Persian, Serbian, Sinhala, Slovak, Slovenian, Tajik, Tamil, Telugu, Turkmen, Uzbek, Urdu, Filipino, Hindi, Croatian, Estonian.

Does Defense Zone 3 Ultra HD use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam

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