Killing Floor is a 2009’s Top trend developed and published by Tripwire Interactive. The game offers a great combination of Action, Co-Op First-person Shooter elements and offers a truly remarkable experience with both Single and Multiplayer mode support. The game was initially released as an Unreal Tournament Mod but after its popularity, the company made it a stand alone game that rocked the markets for a very long time until Killing Floor 2 arrived. The game takes the players to England where in London, Horzine Biotech’s Mass Cloning and Genetic Manipulation project goes wrong. In the aftermath, thousands of Clones, Cybernetically enhanced, and Genetically Mutated individuals start running down the streets of London. Ravaging their way to every corner of the city, The uncontrollable clones, and all the other specimen started running loose, and the authorities failed to contain the situation. Fearing global devastation, the government decides to organize special teams of remaining military personnel, and the protagonist gets called upon. The players are tasked to get into the character of the protagonist, act as the team member of one of the teams of individual units, get into many different missions and eliminate the specimen to save the city of London. Because of being a Sci-fi and FPS video game, Killing Floor offers various types of weapons and allows the players to use them while combating against the enemies. The multiplayer co-op mode allows the players to enjoy being part of an online team on a local network and enjoy playing the game with friends. With a well-written storyline, addictive gameplay and beautifully designed graphics. Killing Floor is a great Action and FPS video game to play and enjoy.