Mars Underground
Mars Underground is an apocalyptic adventure where you relive the same day over and over. With each cycle new items can be picked up and topics unlocked. Explore the possibilities of this timeloop and uncover multiple endings.
Offers
What are keyshops?Keyshops
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
DLCs (1)
About Mars Underground
It's your first day at a new school. Every day is your first day at a new school. Every night the world ends.
Mars Underground is an apocalyptic adventure game where you relive the same day over and over. With each cycle new items can be picked up and topics unlocked.
Take experimental prescription drugs. Talk to a toilet. Get hit by a car. Humiliate yourself repeatedly. All in the name of figuring out what on earth is going on.
- Solve brain damaging mysteries.
- Discover all the potential endings.
- Find new stuff every cycle.
- Talk, interact, annoy and generally bother the denizens of Phobos City as they try to go about their day.
- All original, "dynamic" music soundtrack.
- Can be fully played with either a keyboard, a controller or touch input.
Game details
Game details
Game modes
Languages
Mars Underground price history
Lowest tracked price: €0.89 (Jul 7, 2026) · current best: €1.00 across 3 stores.
Mars Underground player count & reviews
96% positive reviews all-time · 0 peak players in the last 30 days.
Mars Underground — frequently asked questions
Where can I buy Mars Underground at the cheapest price?
Right now the cheapest offer for Mars Underground is €1.00 at Gamivo. KingsPrice compares 3 offers from 3 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price Mars Underground has ever been?
The lowest price KingsPrice has tracked for Mars Underground is €0.89 (recorded on Jul 7, 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 Underground?
Mars Underground peaked at 0 concurrent players on Steam in the last 30 days (highest on Jul 7, 2026). The player chart on this page updates daily.
Is it safe to buy a Mars Underground 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 Underground at a discount?
Create a free price alert on this page and KingsPrice will email you when Mars Underground 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
- OS *: Microsoft® Windows® 7/8/8.1/10 (32bit/64bit)
- Processor: Intel Core2 Duo or better.
- Memory: 4 GB RAM
- Graphics: DirectX 9/OpenGL 4.1 capable GPU.
- DirectX: Version 9.0
- Storage: 300 MB available space
