Buy THEORY PC

THEORY is free to play on Steam! Also available from 1 official stores starting at $0.00.

Steam:
Mostly Negative (18)
Keyshops
Unavailable
Buy in Official Store:
Free
Buy in Keyshops:
See price history

Official Stores (1)

DRM:
Steam
Steam
Steam
THEORY
Windows
+1
6w ago
DRM:
Steam
Steam
Free
Historical Low Deal
Historical low

About THEORY

THEORY - about the game
In a post-apocalyptic world overrun by zombie hordes, players take on the role of Elif, a determined survivor searching for her missing husband and son. She drives her car across mountains, crumbling cities, and rural wastelands, wielding a handgun, rifle, and shotgun to battle undead threats. Interact with objects for storytelling clues, use a hand lamp to pierce the darkness, and read scattered books amid the chaos. This indie first-person shooter blends intense action with adventure elements in a gripping survival tale. Navigate treacherous terrain and fend off enemies in a core loop of shooting, driving, and exploration. Fans of zombie FPS games with personal narratives will find a focused challenge here.

"Theory" is an intense first-person shooter (FPS) game set in a post-apocalyptic world overrun by hordes of ravenous zombies. Players find themselves in a vast, desolate landscape

As a survivor, you'll navigate through mountains, decaying cities, and treacherous rural landscapes, all while facing constant threats from zombies. Your arsenal includes an array of a handgun, and rifle and shotgun weapons, all of which are essential for fending off the undead and ensuring your own survival.

This game was developed as a final project by a team of three people. There are various mechanics such as:
  • Shooter
  • Car driving
  • Books
  • Hand Lamp (F key)
  • Interact
  • Storytelling with objects


Elif and Ali escaped from city life and settled on a farm. After spending many years on the farm, Elif puts her thoughts on paper and publishes a book. In his teachings spread from hand to hand, he states that a civilized and prosperous life is possible, away from mechanized modernism. "Every effort and breakthrough in human history is for happiness. A person who is not happy cannot contribute to life." The theory spread among the people and people began to get used to the idea of leaving monotony and living a comfortable life. City administrators are against this situation and declare Elif persona non grata.

Meanwhile, Elif gives birth to Vefa. After a while, Vefa gets sick and Ali takes Vefa and goes to the hospital. Even though a few days have passed, Ali and Vefa still haven't arrived. Thereupon, Elif decided to hit the road and jumped into her car with her hunting weapons.

Various difficulties and adventures await Elif in this quest. Will these difficulties bring Elif back to her family?
Interface:
English
Audio:
English
Subtitles:
English

Age rating

Unavailable
Steam:
Mostly Negative (18)

Minimum:

  • OS: Windows
  • Processor: 4 core 3 GHz
  • Memory: 16 GB RAM
  • Graphics: GTX950
  • DirectX: Version 11
  • Storage: 5 GB available space

Recommended:

  • OS: Windows
  • Processor: 4 core 3.5 GHz
  • Memory: 16 GB RAM
  • Graphics: GTX1050ti
  • DirectX: Version 11
  • Storage: 5 GB available space
Historical low
Price history from official stores
-
-
-
Price history from keyshops
-
-
-

FAQ

8 questions

Before you start looking for a cheap THEORY key, check the essentials. Developed by Muhammet Esat BÜYÜKBULUT. Published by The Last Anatolians Studio. PC released date: 02 Feb 2024. Genres: Action, Indie, Adventure. Categories: Single-player.

Q

Where to buy a cheap THEORY Steam key?

THEORY is free to play! Download it on Steam and start playing instantly.

THEORY is completely free on Steam. No purchase needed - just download and play. If you are looking for premium DLC or in-game items, check the offers table above.

Our price tracker covers both official retailers and key marketplaces, so you can find THEORY on sale even outside seasonal promotions. We currently detect 1 active offer 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, THEORY is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

Yes. THEORY has an official page on the Steam Store. You can also buy a THEORY Steam key from third-party sellers. Our price comparison currently includes 1 offer with Steam DRM. Pick one to ensure your THEORY download happens on Valve's platform.

Yes. THEORY is Steam Deck Verified - it launches out-of-the-box, displays correct controller glyphs and runs stable. THEORY works perfectly on Steam Deck.

THEORY does not appear to be available on PC Game Pass, EA Play, Ubisoft+ or any other PC subscription service at this time. Your only option is purchasing the game - use XD.deals to find the best price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best THEORY 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 THEORY

1 Steam Steam Official
$0.00

Want to buy at the best moment? Set a price alert on XD.deals and get notified when THEORY hits its next historical low.

Create Alert
Join our Discord
Get instant help from our community and stay updated on the latest deals
Set Price Alerts
Get notified by email when game prices drop to your target
Create Free Account
Unlock wishlists, price alerts, and Steam sync