Screenshots
Watch trailer on Steam ↗Reaktorhallen R1 - Zombie Shooter
Isak Felldin · Published by sole proprietor
Last updated 27 Sept 2026
You are tasked with defending yourself against multiple waves of zombies using only a gun. The setting for this challenge is the real-life location of R1, Sweden's first nuclear reactor. You may choose to play in either hard mode or normal mode.
DJCTQ 14
£0.89
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£0.89
Price history
3 Sept 2026Lowest: £0.89 · Highest: £0.899 Oct 2026
Action · 2023 · More under £5 games
Step into R1, Sweden’s historic nuclear reactor, and face off against relentless waves of zombies. Choose your mode and defend the site with a gun in this intense 2023 action game by Isak Felldin.
About this game
DURING THE POST WORLD WAR II race among countries to arm themselves with nuclear weapons,
some risky decisions were made. One of them was the building of Sweden’s first nuclear reactor,
Reaktor 1, or R1, buried 25 meters directly underneath the the ground,
and within a 1 km of about 40,000 people. Nonetheless, in the heady days of the Cold War and nuclear armament,
it was deemed a tolerable risk for the scientists to be able to study reactions.
With the hope of achieving a scientific breakthrough, the scientists at R1 decided to conduct an experiment on July 13,
1954, at 18:59. They were attempting to generate a controlled nuclear fission reaction to produce more energy than what was put in.
But things went horribly wrong.
As the scientists activated the reactor, there was an eerie silence in the room. Then, suddenly, there was a loud buzzing sound,
followed by a blinding flash of light that filled the room. The reactor was not behaving as they had expected. Instead of a controlled reaction,
it was generating an uncontrollable chain reaction. The reactor began to overheat rapidly, and the control rods meant to control the reaction failed.
The situation quickly spiraled out of control. The scientists tried to contain the situation,
but they were helpless against the overpowering force of nuclear energy.
The reactor exploded, sending a massive cloud of radioactive material into the air.
The scientists working at the site were caught in the explosion and were transformed into zombies.
Now, 50 years later, the science lab has been overrun by the zombie scientists.
Your task is to clear out the lab and prevent the zombies from escaping.
The city has hired you as a professional zombie exterminator.
Armed with only a gun, you enter the lab. The silence is deafening,
and the eerie glow of the radiation reminds you of the tragedy that occurred here 50 years ago.
You cautiously make your way through the lab, searching for the zombies.
Suddenly, you hear a growling sound. You ready your weapon and prepare for the worst.
some risky decisions were made. One of them was the building of Sweden’s first nuclear reactor,
Reaktor 1, or R1, buried 25 meters directly underneath the the ground,
and within a 1 km of about 40,000 people. Nonetheless, in the heady days of the Cold War and nuclear armament,
it was deemed a tolerable risk for the scientists to be able to study reactions.
With the hope of achieving a scientific breakthrough, the scientists at R1 decided to conduct an experiment on July 13,
1954, at 18:59. They were attempting to generate a controlled nuclear fission reaction to produce more energy than what was put in.
But things went horribly wrong.
As the scientists activated the reactor, there was an eerie silence in the room. Then, suddenly, there was a loud buzzing sound,
followed by a blinding flash of light that filled the room. The reactor was not behaving as they had expected. Instead of a controlled reaction,
it was generating an uncontrollable chain reaction. The reactor began to overheat rapidly, and the control rods meant to control the reaction failed.
The situation quickly spiraled out of control. The scientists tried to contain the situation,
but they were helpless against the overpowering force of nuclear energy.
The reactor exploded, sending a massive cloud of radioactive material into the air.
The scientists working at the site were caught in the explosion and were transformed into zombies.
Now, 50 years later, the science lab has been overrun by the zombie scientists.
Your task is to clear out the lab and prevent the zombies from escaping.
The city has hired you as a professional zombie exterminator.
Armed with only a gun, you enter the lab. The silence is deafening,
and the eerie glow of the radiation reminds you of the tragedy that occurred here 50 years ago.
You cautiously make your way through the lab, searching for the zombies.
Suddenly, you hear a growling sound. You ready your weapon and prepare for the worst.
System Requirements
Will my PC run this? →Minimum
Minimum:
- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: Intel Core i7-3930k
- Memory: 32 GB RAM
- Graphics: NVIDIA GeForce GTX 660
- Storage: 2 GB available space
Recommended
Recommended:
- Requires a 64-bit processor and operating system
Supported Languages
English
