Buy MarZ: Tactical Base Defense PC Key

Looking for a cheap MarZ: Tactical Base Defense key? As of 25 Aug 2026 the lowest offer is A$6.46 at G2Play, picked from 6 offers across 6 stores. Keyshops start at A$6.46, official stores at A$31.50. On PC the keyshop wins on price in most comparisons, but then you are buying a code from a third-party seller, so check the activation region. This game has been cheaper before, on 78% of the days we have data for. A price alert will let you know when the next drop comes. On PC you buy a key that you activate in Steam or another client, and this is the widest market we track, with more than a quarter of games carrying a keyshop offer.

Release: 04 Apr 2019
Giant Grey
Giant Grey
Metacritic:
tbd tbd
Steam:
Mostly Positive (786)
Buy in Official Store:
A$31.50
Buy in Keyshops:
-80%
A$6.46
See price history

Official Stores (1)

DRM:
Steam
Steam
Steam
MarZ: Tactical Base Defense
Windows
+1
6w ago
DRM:
Steam
Steam
A$31.50

Keyshops (5)

DRM:
Steam
Steam
G2Play
MarZ: Tactical Base Defense Steam CD Key
Windows
+1
8h ago
DRM:
Steam
G2Play
A$32.56 ~A$6.46
-80%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Kinguin
MarZ: Tactical Base Defense Steam CD Key
Windows
+1
8h ago
DRM:
Steam
Kinguin
A$32.56 ~A$6.46
-80%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
G2A
MarZ: Tactical Base Defense Steam Key GLOBAL
Windows
+1
1d ago
DRM:
Steam
G2A
A$31.50 A$8.42
-73%
-8% with G2A8XDDcopy
-8% with G2A8XDDcopy
Gameseal
MarZ: Tactical Base Defense (PC) Steam Key - GLOBAL
Windows
+1
16m ago
DRM:
Steam
Gameseal
A$31.50 ~A$9.11
-71%
-17% with SEAL17XDDcopy
-17% with SEAL17XDDcopy
Difmark
MarZ Tactical Base Defense (PC)
Windows
+1
3w ago
DRM:
Steam
Difmark
A$31.50 ~A$10.03
-68%
-15% with XDDEALScopy
-15% with XDDEALScopy

About MarZ: Tactical Base Defense

MarZ: Tactical Base Defense - about the game
Build a defense base on Mars to repel undead hordes and protect your crew amid a zombie apocalypse. Manage resources and crew to secure fronts, man towers, and construct a power grid in this indie strategy game. Research upgrades like repair drones, mines, tesla towers, mortars, and prism lasers through the tech center and arms factory to survive attacks from all sides. A 20-mission story campaign reveals Mars's undead secrets with alternate endings, while Skirmish and Outbreak modes deliver procedurally generated battles and massive hordes. The Marsform map editor lets players terraform custom maps for Steam Workshop sharing. Strategy fans who enjoy tactical base defense and resource management will find endless replayability.


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!
Interface:
GermanEnglishSpanish - SpainFrenchPolishPortuguese - BrazilRussianSimplified Chinese
Audio:
GermanEnglish

Age rating

Unavailable
Metacritic:
tbd tbd
Steam:
Mostly Positive (786)

Minimum:

  • 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
  • Additional Notes: any

Recommended:

  • 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
  • Additional Notes: any
Historical low
Price history from official stores
A$7.87
Steam
1 months ago
Price history from keyshops
A$5.83
G2Play
1 weeks ago

FAQ

9 questions

Before you start looking for a cheap MarZ: Tactical Base Defense PC key, check the essentials. Developed by Giant Grey. Published by Giant Grey. PC released date: 04 Apr 2019. Genres: Strategy, Indie. Categories: Family Sharing, Steam Workshop, Single-player, Steam Achievements, Steam Cloud, Includes level editor, Steam Leaderboards.

Q

Where to buy a cheap MarZ: Tactical Base Defense Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a MarZ: Tactical Base Defense key for as low as A$6.46. This deal is available at G2Play and is among the cheapest offers on the market. All keys listed on XD.deals are delivered digitally and eligible for instant download after payment. Prices already include processing fees and applied promo codes, so you always see the lowest MarZ: Tactical Base Defense price on PC. Check the MarZ: Tactical Base Defense price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the MarZ: Tactical Base Defense Steam price is A$31.50. You can save an extra ~6% by paying with a discounted Steam gift card.

Our price tracker covers both official retailers and key marketplaces, so you can find MarZ: Tactical Base Defense on sale even outside seasonal promotions. We currently detect 6 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, MarZ: Tactical Base Defense is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

The cheapest offer came most often from Kinguin: 72 of 152 days with data. The price reached its historical low on only 1 day out of 152 days with data. The current price is high against its own history: it was cheaper on 78% of days with data. We have recorded offers from 7 stores in total, and from 1 in the most recent reading.

Yes. MarZ: Tactical Base Defense has an official page on the Steam Store. You can also buy a MarZ: Tactical Base Defense Steam key from third-party sellers. Our price comparison currently includes 6 offers with Steam DRM. Pick one to ensure your MarZ: Tactical Base Defense download happens on Valve's platform.

Yes, with minor tweaks. MarZ: Tactical Base Defense is Steam Deck Playable - it works after small adjustments like selecting a Proton version or using the touchscreen for tiny launcher text. You can play MarZ: Tactical Base Defense on Steam Deck.

According to our data MarZ: Tactical Base Defense is not currently available on PC Game Pass, EA Play or Ubisoft+. We are still filling in the catalogues of these services, so it is worth confirming the status at the source before you decide. If you are buying, XD.deals will help you find the lowest price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best MarZ: Tactical Base Defense deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

Best prices for MarZ: Tactical Base Defense

1 G2Play G2Play Keyshop
-80% A$6.46
2 Kinguin Kinguin Keyshop
-80% A$6.46
3 G2A G2A Keyshop
-73% A$8.42
4 Gameseal Gameseal Keyshop
-71% A$9.11
5 Difmark Difmark Keyshop
-68% A$10.03

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