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MarZ: Tactical Base Defense

Game overview

MarZ: Tactical Base Defense

Build your defense base to fight back the undead hordes of Mars and secure the future of the red planet. MarZ is a game of strategy and tactical defense where you must carefully manage your crew and resources as you try to uncover the terrible secrets of the undead.

Strategy Tower Defense RTS Tactical Indie
Players now
1
All-time peak
5
24-hour change
0%
Steam reviews
78.5% positive
866 reviews · via SteamSpy

Player count observed . Values marked unavailable are not estimated.

About this game Read the full description

Build your defense base to fight back the undead hordes of Mars and secure the future of the red planet. MarZ is a game of strategy and tactical defense where you must carefully manage your crew and resources as you try to uncover the terrible secrets of the undead.

  • 20 mission story campaign: Hold off the zombie hordes and discover the terrible secrets of the red planet across a fully-fledged story campaign with alternate endings
  • Skirmish mode: Create customised procedurally-generated skirmishes as you battle back wave after wave of enemies
  • Outbreak mode: An intense game mode within Skirmish that brings you one immense zombie horde instead of multiple waves
  • Marsform map editor: Use powerful terraforming tools to sculpt custom maps and share on Steam Workshop
  • Research update: Increased technology options and unique new upgrades for all towers including repair drones, mines, tesla towers that can teleport zombies, mortars, prism lasers, and more
  • Reworked balancing: All three difficulty modes have been improved and updated in line with player feedback
  • Twitch Mode: When streaming the game on Twitch, viewers can choose to support or sabotage streamers’ efforts in real-time with powerful Twitch integration tools
  • Localisation: Translated into nine languages (English, English (US), German, French, Spanish, Brazilian Portuguese, Simplified Chinese, Russian and Polish)

Defend Your Base


Your top priority when arriving at the frontier is to secure all fronts as quickly and effectively as possible. The crew is awaiting your orders, use them to fight single attackers or to man your towers and buildings. The enemy will attack from all sides, your tactical skill will decide the outcome.

Research, Upgrade, Survive


Construct a power grid and manage your resources to build a strong defense. A host of weapons and various perks are at your disposal, which can change the face of the battlefield. Using the tech center and arms factory you’ll research new kinds of turrets and, if you survive long enough, super weapons.

Discover the Truth


It’s 2065 and humanity is preparing for the colonization of Mars. No one considered they might not be alone. As the first arrivals break ground on the red planet, the terrible truth emerges - a horde of undead cosmonauts already calls it home. Your mission is to uncover the hidden history of Mars, solve the mystery of the undead and lead humanity to a new future.

New Horizons Await


MarZ isn’t over when you reach the end of the story. Experience custom and campaign maps in Skirmish Mode where your tactics will be pushed to the limit.

Forming the Future


Marsform, the MarZ level editor is an an intuitive creation toolkit that allows anyone to create and share their very own custom maps, bringing endless possibilities to the action!

Player activity

Concurrent players over the last 48 hours.

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Price history

Last 30 days ? prices in the selected region?s currency.

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System requirements Windows

Windows

Minimum

Minimum:
  • OS *: 64-bit Windows 7/8/10
  • Processor: Intel Core i5
  • Memory: 4 GB RAM
  • Graphics: DirectX 10 compliant graphics card with 2GB dedicated memory
  • DirectX: Version 10
  • Storage: 3 GB available space
  • Sound Card: any
Game details Languages, features & support
Publisher
Giant Grey
Brazilian rating
14
Steam Germany rating
16
Content warning
Fictional violence, fights with blood, presence of weapons.
Achievements
35
Features
Single-player, Steam Achievements, Steam Workshop, Steam Cloud, Steam Leaderboards, Includes level editor, Family Sharing
Languages
English*, German*, French, Spanish - Spain, Portuguese - Brazil, Polish, Russian, Simplified Chinese
*languages with full audio support
Compatibility & accessibility Steam Deck, controllers & access features

Can I Play This?

Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.

Sources fresh
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
playable
Valve compatibility test
The on-screen keyboard may need to be opened manually.
Input
Controller support: unknown
Structured language support (8)
LanguageInterfaceFull audioSubtitles
EnglishYesYesNo
GermanYesYesNo
FrenchYesNoNo
Spanish - SpainYesNoNo
Portuguese - BrazilYesNoNo
PolishYesNoNo
RussianYesNoNo
Simplified ChineseYesNoNo
Steam store page fresh · checked 2026-10-19 PCGamingWiki technical notes External link only; SteamIQHQ does not ingest PCGamingWiki content.
More analysis Activity patterns, updates & developer tools

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Game Insights

Buy Verdict

Wait — $21.99.

Not the best time to buy. Price could improve with future sales.

▬ ~19 days until next sale

Player Health

Struggling — 1 daily average.

Player count down 27% over recent period.

▼ -27% trend

Value Score

Fair Value — 62th percentile.

Price-to-player ratio ranks in the 62th percentile. Priced as Market at $21.99.

▬ Market pricing tier

Genre Benchmarks

Player Count Top 50%
Value Ratio Top 38%

Activity Heatmap

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Developer Analytics

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Frequently Asked Questions

Is MarZ: Tactical Base Defense worth buying right now?
Wait — $21.99. Not the best time to buy. Price could improve with future sales.
When does MarZ: Tactical Base Defense go on sale?
Not the best time to buy. Price could improve with future sales.
How many people play MarZ: Tactical Base Defense?
Struggling — 1 daily average. Player count down 27% over recent period.
How many players are currently playing MarZ: Tactical Base Defense?
1 players are currently in-game on Steam.
Is MarZ: Tactical Base Defense free to play?
MarZ: Tactical Base Defense costs $21.99 on Steam.
What genre is MarZ: Tactical Base Defense?
MarZ: Tactical Base Defense is a Indie, Strategy game.
Who developed MarZ: Tactical Base Defense?
MarZ: Tactical Base Defense was developed by Giant Grey and published by Giant Grey.
What platforms does MarZ: Tactical Base Defense support?
Available on Steam for Windows.

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