Command & Conquer: Generals is a singleplayer and multiplayer bird's-eye view RTS game featuring different factions battling against each other on a battlefield. It was developed by EA Pacific , published by Electronic Arts and released in 2003. Command and Conquer: Generals - Zero Hour is the expansion pack for the 2003 video game Command & Conquer: Generals. Zero Hour added several new abilities and units to each side, and a new mode of play called Generals' Challenge, along with a lot more changes, new features and bug/glitch fixes. Though it wasn't the first game of its type, Command & Conquer became synonymous with real-time strategy gaming when the very first game in the series was released in 1995. QrtOP.