Home / Games / MarZ: Tactical Base Defense
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.
View on Steam ↗ $21.99 (US · as of 2026-05-13)What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via SteamSpy as of 2026-05-13.
“Is this the best tower defense game in existence? No. Is it a GOOD tower defense game that provides the right amount of entertainment for the price? Hell YES. There's exactly the right amount of complexity and challenge here to be a really entertaining foray into the genre. I…”
— a player, Steam review · 43 hrs played“The game is pretty nice, i for one like to play it casually and i think it's playable for all skill levels. The biggest thing i hate about the game is that there's no BORDERLESS WINDOWED mode so i have to either play in a much smaller window if i want to be able to play music on…”
— a player, Steam review · 6 hrs played“A tower defense-style tactical game where players deploy and manage units to defend against waves of enemies across different maps. The core gameplay is enjoyable, with each map presenting slightly different tactical challenges and encouraging basic adaptation. Unit progression…”
— a player, Steam review · 5 hrs playedLatest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
4th Anniversary
Calling all commanders! Join us in celebrating the 4th anniversary of Marz: Tactical Base Defense! It's been four years since we launched our game, and we couldn't have done it without your support. T
Free update - Survival Mode
Hi folks, Crazy, it's been a year since we released MarZ. A good occasion to let you hear from us again and to say THANK YOU! MarZ Anniversary How time flies. Our game has been available on Steam for
Win MarZ & X-Morph game bundle
Hello Community! We've been at this years gamescom presenting MarZ at the amazing Indie Arena Booth. Thanks to those great guys we've had the opportunity to showcase our game on a very cool arcade boo
New Update - Overlapping energy hubs and no disappearing corpses!
We’re happy to announce a new MarZ update which adds two new features you guys have asked for. Introducing: Overlapping energy hubs and no disappearing corpses! \o/ Overlapping energy hubs https://i.i
New Patch available
https://i.imgur.com/Z5YizrZ.png Hello dear community. We have pushed a new patch which fixes some smaller bugs. Please make sure to update the game via your Steam client. Following the full changelog
Games like MarZ: Tactical Base Defense
From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.
They Are Billions
80.5% · 21,059 reviews
shares RTS, Tower Defense, Base Building, Zombies
Surviving Mars
77.3% · 15,991 reviews
shares Mars, RTS, Base Building, Resource Management
Taur
78.1% · 1,245 reviews
shares RTS, Tower Defense, Base Building, Futuristic
IXION
81.6% · 8,793 reviews
shares RTS, Base Building, Resource Management, Building
Planetbase
77.1% · 6,175 reviews
shares RTS, Base Building, Resource Management, Building
Grim Nights
87.7% · 758 reviews
shares RTS, Tower Defense, Base Building, Zombies
Cliff Empire
84.9% · 1,746 reviews
shares Tower Defense, Base Building, Resource Management, Futuristic
Dyson Sphere Program
96.2% · 25,223 reviews
shares RTS, Base Building, Resource Management, Building
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-13.
| Genres | Indie, Strategy |
| Player tags | Strategy · Tower Defense · RTS · Tactical · Indie · Zombies · Gore · Base-Building · Management · Sci-fi · Difficult · Mars (SteamSpy community voting) |
| 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 * |
| Achievements | 35 |
| Estimated owners | 50,000 – 100,000 (SteamSpy) |
| Official site | https://giantgrey.com |
Minimum system requirements (PC)
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