Players can use explosives, iron sights, reload, change weapons, shoot and enter slow motion mode using virtual buttons on the right of the screen.

However, after a close encounter with one subject during a test, Professor Wagner was killed, and his failed creations (the zombies) were set loose on the vast ship in order to cause distraction and allow the conscious victims to escape.

Throughout the rest of the story players embark on a mission to secure the evidence of what happened, all whilst avoiding the threat of the incoming soldiers.

The email with codes included a warning: "if the review or preview of Dead Effect 2 is very negative, you won't receive any keys from us in the future.

Martin Pospisil from BadFly Interactive admitted that company made a mistake and said that it was caused by experience from some reviews that compared their games with big AAA titles like Left 4 Dead or Mass Effect, which led to very low ratings.