All but the weakest enemies have some special attack that can inflict significant damage on a player. The number of creatures in the enemy waves are based on the number of players in the game, increasing in numbers if more players join the game in progress. If the entire squad is wiped out, they will have to restart the game from the first round.Įach game can be configured to alter the length and difficulty of the various waves. For example, the Field Medic perk requires the player to heal a number of points to level up, but this can also be done while playing any of the other perks.Īs long as at least one member survives the wave, players that die during a wave will drop their current weapon and re-enter the game at the start of the next wave. The player does not need to play with that perk to raise its level. For example, the 'Sharpshooter' perk, which provides accuracy benefits when using scoped rifles, can be raised in level by completing a number of headshots with specific weapons. Players can level up each perk to increase the benefits it offers. The perk, similar to the idea of a character class, provides bonuses towards certain weapon types, armor, movement, and other factors. Players select one of seven perks at the start of a match and between rounds. Players are encouraged to work together they can trade items and drop money, healing is more effective on other players than on oneself, and the team can strategically weld doors shut to provide a temporary barrier from the oncoming horde while funneling the other creatures to specific areas.

Weapons can also be found randomly across the level. The trader buys and sells ammo, armor, and weapons, such as katanas, pipe bombs, flamethrowers and shotguns. In Objective mode players complete different challenges while earning in-game money, which they can spend between waves at a trader.

In Killing Floor mode, the player fights waves of zombie-like specimens - or ZEDs - with each wave becoming successively more difficult, until it concludes with a battle against a 'boss' specimen called the Patriarch. Killing Floor is a first-person shooter with two game modes: Killing Floor and Objective. The player fighting a swarm of specimens.

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