
In Killing Floor 2, players venture into Europe as the Zed outbreak rapidly spreads and escalates beyond control. Exactly one month following the events of the original Killing Floor, clones overrun the continent and society crumbles; governments have fallen, and military defenses have vanished.
In KILLING FLOOR 2, players venture into continental Europe after it has been overrun by terrifying, deadly clones known as Zeds, the result of experiments conducted by the corporation Horzine. The Zed outbreak, triggered by Horzine Biotech’s disastrous research, has spread rapidly and uncontrollably, bringing the European Union to its knees. Just a month prior, the initial Zed outbreak from the original KILLING FLOOR devastated London; now, the clone specimens are everywhere. Society has crumbled, communication systems have failed, governments have fallen, and military units have been wiped out one by one. The people of Europe are left scrambling to survive, with only the fortunate few taking refuge in the shadows. Yet some still cling to hope; a ragtag team of civilians, soldiers, and mercenaries has united to combat the outbreaks from privately supported outposts across the continent. When a specimen clone threat is identified, players are deployed into Zed-infested zones to eliminate all dangers by any means necessary.
| PC | April 21, 2015 |
| PS4 | November 18, 2016 |
| XONE | August 29, 2017 |

| Audio | Subtitles | Interface | |
|---|---|---|---|
| 简体中文 | ✓ | ||
| 繁體中文 | ✓ | ||
| English (US) | ✓ | ✓ | |
| Français | ✓ | ✓ | |
| Deutsch | ✓ | ✓ | |
| Italiano | ✓ | ||
| 日本語 | ✓ | ✓ | |
| 한국어 | ✓ | ||
| Polski | ✓ | ||
| Português (Brasil) | ✓ | ||
| Русский | ✓ | ✓ | |
| Español (España) | ✓ | ✓ |