Orcs Must Die! Unchained is an Action, Tower-Defense and Third-person Perspective video game published and developed by Robot Entertainment. It is the 3rd marvelous title in the franchise of Orcs Must Die and supports both Single-player and Multiplayer modes. It offers the similar gameplay to its previous title, where the player can place different insane traps within the level and involve in direct combat with a chosen hero to eliminate several hordes of orcs and brutal monsters. The goal of the player is to fend off the foes from reaching to the magic core. It features co-op mode, where the player can team up with other two players can battle against AI opponents to score the points, and can compete against each other in a form of team of three members in competitive mode. There are several playable characters available and each offers a unique abilities. A new mode introduces by the game Head-to-head mode known as the Sabotage. It has three primary modes such as Siege, Sabotage, and Survival. Each mode offers challenging gameplay and rewards the player with experience points and bonuses for complete the level. With detailed gameplay, customization, smooth controls, and brilliant mechanics, Orcs Must Die! Unchained is the wonderful game to play.