Mars or Die!
Control two characters simultaneously! Survive, gather, collect upgrades, fight all sizes of one-eyed Martians, build defensible outposts and conquer Mars, in this glorious mix between roguelite and tower defense.
Offers
What are keyshops?Official stores
Official stores with direct support.
Keyshops
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
About Mars or Die!
TOUCHDOWN IS IMMINENT: MARS WILL BE OURS!
The Interplanetary Spacecraft FORTITVDO VIII carries our Intrepid Explorers who are tasked with Scouting the Martian soil, Fighting the disgusting Martian natives, and Building Defensible Outposts spearheading our inevitable conquest. Our Supremely Illuminated Leader has bestowed upon YOU the honor of commanding them: survive, gather, and build our way to victory!
Scout B. Bean, Engineering Corps
Top of his class, the fastest runner of our Glorious Army. Equipped with a personal Energy Repulsion Shield, capable of deflecting the most devastating of blows! Scout Bean loves flowers, and beans.Major B. Bob, VI Assault Division
Implacable marksman with a fervent passion for our cause, chocolate, and ballet! Major Bob may move slower, but no Martian will be quick enough to run away and tell the tale.Base Building
Our Explorers hold all the necessary blueprints for efficient on-site mining operations and base building including Automatic Extractors, O2 Generators, Armories, Single-Barrel and Double-Barrel Automatic Defence Turrets, and the most important of them all, our Glorious Flag!A Campaign to Remember
The Masterful Invasion Plan we envisioned is divided in 9 Missions. Our conquest will be swift, sure, and certain! But, in case the pitiful Martians manage to put up a fight due to their sheer number, we are also prepared to entrench and endure an Endless warfare.It will be glorious! Mars, or Die!
Game details
Game details
Age ratings
Game modes
Languages
Audio & text: English
Text only: French, Italian, German, Spanish - Spain, Korean, Polish, Portuguese - Brazil, Russian, Simplified Chinese, Traditional Chinese, Turkish, Japanese
Mars or Die! price history
Lowest tracked price: €0.72 (Jul 23, 2026) · current best: €0.72 across 7 stores.
Mars or Die! player count & reviews
52% positive reviews all-time · 1 peak players in the last 30 days.
Mars or Die! — frequently asked questions
Where can I buy Mars or Die! at the cheapest price?
Right now the cheapest offer for Mars or Die! is €0.72 at Eneba. KingsPrice compares 7 offers from 7 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price Mars or Die! has ever been?
The lowest price KingsPrice has tracked for Mars or Die! is €0.72 (recorded on Jul 23, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
How many people play Mars or Die!?
Mars or Die! peaked at 1 concurrent players on Steam in the last 30 days (highest on Jul 12, 2026). The player chart on this page updates daily.
Is it safe to buy a Mars or Die! Steam key from a keyshop?
Keyshops are marketplaces that resell game keys, usually below official store prices. The keyshops listed on KingsPrice deliver genuine Steam keys, but buyer protection differs from official stores — check the shop's rating and refund policy before buying. You can hide keyshop offers at any time with the keyshops toggle. Keyshop prices vs Steam →
How can I get Mars or Die! at a discount?
Create a free price alert on this page and KingsPrice will email you when Mars or Die! drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
System requirements
Minimum
- Requires a 64-bit processor and operating system
- OS *: Windows 7
- Processor: i3 2.6Ghz
- Memory: 4 GB RAM
- Graphics: GTX 560 or equivalent
- DirectX: Version 11
- Storage: 4 GB available space
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: i5 2.6Ghz
- Memory: 8 GB RAM
- Graphics: GTX 960 or equivalent
- DirectX: Version 11
- Storage: 8 GB available space
