operation
operation - Steam Charts & Historical Stats
Operation is a zombie horror action game where players enter a sealed operation zone, fight infected enemies, complete mission objectives, and survive with teammates in a dark and dangerous... Explore historical player activity and pricing for operation. Player-count data was last observed Sep 30, 2026.
operation player count and price summary
- Current players
- Unavailable
- All-time peak
- 1
- 24-hour player change
- Unavailable
- Current US price
- Price unavailable
Player count last observed . Values marked unavailable are not estimated.
Media gallery 5 screenshots · 1 videos
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trailer
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System Requirements
- Requires a 64-bit processor and operating system
- OS: Windows 10 or later (64-bit)
- Processor: Intel Core i5-3570 3.4 GHz 4 Core or equivalent
- Memory: 16 GB RAM
- Graphics: NVIDIA GTX 1650 / GTX 1050 Ti or AMD RX 470 / RX 570, or equivalent
- DirectX: Version 11
- Network: Broadband Internet connection
- Storage: 8 GB available space
- Sound Card: Realtek compatible audio device
- Additional Notes: Requires a 64-bit processor and operating system.
- Requires a 64-bit processor and operating system
- OS: Windows 10 or later (64-bit)
- Processor: TBD
- Memory: 32 GB RAM
- Graphics: TBD
- DirectX: Version 11
- Network: Broadband Internet connection
- Storage: 8 GB available space
- Sound Card: Realtek compatible audio device
- Additional Notes: Recommended system requirements will be updated during development.
Additional Information
Additional Information
Developer Analytics
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About This Game
Operation is a zombie horror action game where players enter a sealed operation zone, fight infected enemies, complete mission objectives, and survive with teammates in a dark and dangerous environment.
Detailed Description
About This Game
Play Time: 30 ~ 60 minutes
Gameplay:
Operation is a zombie horror action game where players must survive inside an operation zone overrun by infected creatures.
Players are deployed into a dangerous area after a mysterious outbreak. Inside the zone, they must fight against zombie attacks, complete mission objectives, and survive with limited resources. Explore dark corridors, abandoned buildings, and restricted operation areas while facing the constant threat of the infected.
Situations that may be too dangerous to handle alone can be overcome through cooperation with other players. Cover your teammates, help allies in danger, and work together to complete the mission.
Zombies can appear at any moment. If players let their guard down, they may quickly become surrounded. Even simple movement through the area can become a tense decision between survival and death.
Background:
After an unknown infection incident occurred, the once-controlled operation zone was completely isolated from the outside world.
At first, the situation was believed to be a simple accident. However, as time passed, the abnormal signs became more serious. Communication was lost, personnel inside the area disappeared, and emergency signals were transmitted only in incomplete fragments.
Reports mentioned violent infected individuals, sealed-off areas, and missing survivors. Eventually, the zone was classified as a high-risk area, and everyone remaining inside was presumed dead.
Now, players enter the sealed zone as members of a new operation team. Their mission is to investigate the cause of the infection, recover the remaining clues, and escape alive.
However, the deeper they move into the operation zone, the more they begin to realize that this incident may not have been just a simple outbreak.
Key Features:
Tense combat against zombie threats
Exploration of dark and horror-themed operation areas
Online co-op gameplay
Team-based mission objectives
Survival with limited resources
The truth behind the infection hidden inside a sealed zone
A violent and threatening zombie horror atmosphere
Developer’s Note:
Operation was created to deliver the tension of zombie horror and cooperative survival gameplay.
The goal is not only to let players fight zombies, but also to make them feel the pressure of exploring dark spaces, cooperating with teammates, and surviving in a place where danger can appear at any moment.
The game may still have areas that need improvement, but we will continue working on it so that players can feel as if they are truly entering a dangerous operation zone and fighting to survive.
Maru Games hopes to present the fun of zombie horror, survival, and cooperative gameplay through Operation.
Distribution:
If you create videos, screenshots, live streams, or other content related to this game, we would appreciate it if you include the game title, Operation, or the Steam store page link.
This game was developed in a small-scale development environment, so there may be some rough or unfinished parts. If you find any issues while playing or have feedback, your comments will be very helpful for future improvements.
Maru Games is not responsible for any damages caused by the distribution or sharing of videos related to this game.