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You thought the war was over... You thought wrong.
- Introduction

Command and Conquer: Generals - Zero Hour is the expansion pack for the computer game Command & Conquer: Generals, released in 2003. Zero Hour added several new abilities to each side, and a new mode of play called the Generals Challenge, where the player takes on the identity of one of nine generals (three representing each faction) and does battle against most of the other generals, eventually confronting a powerful "boss" general, General Leang. Regular factions seen in the base game are also available and are updated.

The generals system was originally supposed to appear in the base game. Development of the new units was inspired by the development team's experiments with INI editing and combining existing units and weapons to create new ones.[1]


Zero Hour also contains three new campaigns of five missions each instead of seven in the last game, one for each side, with their chronological order being USA first, GLA second, and China last. Unlike the previous campaigns, which were noted by Command and Conquer fans for not having full motion video cinematic sequences during mission briefing, the Zero Hour campaigns return to that Command and Conquer tradition, each showing a live-action video of a news reporter of the respective side giving details about the situation behind the current mission. The plot behind the Zero Hour campaigns picks up where it left off at the end of the previous campaigns.


At the beginning of the USA campaign, the Global Liberation Army (GLA) launches a biological weapon using a refitted Soyuz launch station from the captured Baikonur Cosmodrome in Kazakhstan at a USA military base located in Northern Europe. The United States Army retaliates quickly, destroying the launch platform, before the GLA can fire another missile. As the campaign continues throughout Somalia at the harbour, Russia where a GLA research facility is held for both Black Lotus and Colonel Burton to destroy it and the famous airbone operation at the Amisbad oil fields in Iran, the United States learns that a GLA general codenamed "Dr. Thrax" (who was the man behind the research factory in Russia and oil funding in Iran) has been developing a more lethal variety of anthrax known as "Anthrax Gamma". When the USA locates his base of operations, they discover that he is planning to launch several missiles loaded with this toxin at major population centers within the USA itself. A swift strike by the USA, with the help of rogue GLA forces, succeeds in preventing this atrocity, and brings an end to "Dr. Thrax".


In the GLA campaign, the GLA, though disappointed by the death of Dr. Thrax and the American victory, receives a boost in morale with the successful appointment of their new supreme commander, General Mohmar "Deathstrike", who escapes American pursuit. The GLA first attempts to reunite its splintered factions under Deathstrike's command, which it succeeds in doing after eliminating Prince Kassad's forces in Egypt, who betrayed the GLA and would not assist Deathstrike's forces, and then begins a fervent mission to drive the Americans out of Europe. Despite their inferior weapons and equipment, the GLA succeeds in inflicting tremendous harm against the USA. They successfully capture an American Particle Uplink Cannon before using it to destroy the USS Ronald Reagan (cutting it in half from starboard to port, as shown in the game's cover) and infiltrating the US West Coast to steal toxins from a chemical storage facility. The GLA campaign reaches its climax when the GLA overruns the US Army's European central command base in Stuttgart-Vaihingen, partially with the use of captured Chinese weaponry and later US technology from a UN outpost. Finally, the GLA manages to drive American forces out of Europe completely.


In the Chinese campaign, the Chinese People's Liberation Army enters Europe after the United States withdrew its forces, intending to destroy the GLA once and for all. In order to prevent the GLA from making use of advanced United States weapons, China launches a nuclear missile at the military base, destroying it. The GLA retaliates by mounting a massive assault against a nuclear reactor in mainland China, but the attack is repelled. The PLA forces then advance into Germany, where the GLA invaders are concentrated. After a series of Chinese victories, the nearly defeated GLA takes control of an evacuated USA military base and uses its weaponry against the Chinese. China succeeds in recapturing this base, and finally completely drives the GLA out of Europe. Following the war, the Eurasian Unity League is established between China and the newly liberated Europe, the world looks forward to a new era of Chinese leadership while America adopts a policy of isolationism.


The general selection screen in the Generals' Challenge. Each general has unique units and modifications to the standard arsenal. The United States of America Generals are:


General Townes[]

General Townes: Townes' strategy is focused on using laser weaponry. His power plants cost less and generate more energy. This general does not have access to the Paladin tank or the Tomahawk. It is also worth noting that his Laser crusaders require one point of power each. Strategies include building power plants and then laser defense turrets to destroy most forces that close in on his base. When attacking, use Comanches and infantry to support your laser tanks. His defenses are vulnerable to artillery like the nuke cannon, tomahawk and so on.

General Malcolm Granger[]

General Malcolm "Ace" Granger: Granger's strategy is focused on more powerful aircraft. His aircrafts are slightly cheaper and feature a laser defense system (this includes all aircraft barring the Comanche). One possible strategy is to attack the enemy's base with an onslaught of fully-upgraded King Raptors. However, his air forces are vulnerable to anti-air defenses. When countering this general be sure to build a large group of anti-air units. Using artillery is a good way to defeat him.

General Alexis Alexander[]

General Alexis Alexander: Alexander's strategy is focused on super weapons. Alexander can create a very stable economy and build up a large amount of special weapons and defensive structures quicker than most generals. The price of the particle cannon is slashed in half for her, $2500 instead of the usual $5000. 


General Ta Hun Kwai[]

General Ta Hun Kwai: Kwai's general strategy is focused on the use of heavily armored, technologically superior tanks and vehicles. He is unable to build artillery units and must pay more to deploy aircraft and infantry. He has cheaper and more powerful tanks. Strategies involving reliance on heavy vehicle assaults and rapid troop movements are suited to General Kwai's forces. However, the overall lack of long-ranged support units leave Kwai's forces vulnerable to long range bombardment, against which his forces cannot effectively retaliate.

General Tsing Shi Tao[]

General Tsing Shi Tao: Tao's army is boosted by nuclear energy. His nuclear technology enables more output per power plant than that of other Chinese divisions. He also utilizes a nuclear arsenal via missile silos, tactical nuclear artillery, and nuclear bomb equipped MiG fighter jets and Helix helicopters. His Overlord and Battlemaster Tanks fire shells that release nuclear radiation. In addition, their movement speed is much greater than that of standard Chinese tanks. Other than these additions, there are no significant changes, and Tao's forces play much like the mainstream Chinese Army.

General "Anvil" Shin Fai[]

General "Anvil" Shin Fai: "Anvil" specializes in infantry units and has a significant early tactical advantage against the infantry of other Generals. All infantry under his command start as veterans; He also can requisition elite Minigunners to replace the standard Red Guardsmen. These high-caliber weapons they carry are the bane of aircraft in larger numbers. However, he is unable to build heavier battle tanks, but is still able to deploy primarily anti-personnel and support vehicles. This reliance on infantry leaves his force very vulnerable to the effects of radiation and toxins; and under less common circumstances, mass vehicle rushes, where infantry are vulnerable to being run over, yet, if his abilities and advantages are used properly and efficiently, will bring swift defeat to opposing forces. He is not faced in the General's Challenge.


Dr. Thrax[]

"Dr. Thrax": The GLA Toxin General's units and some structures are boosted with toxins, and he sacrifices very little for his tactical advantages when fully upgraded. Most notable of advantages, is the fact that his units are granted the more potent toxin, Anthrax Beta (a late-game upgrade) from the beginning of a match, and can upgrade with Anthrax Gamma (Anthrax Gamma is an effective weapon that can destroy tanks), to improve his forces further. He is able to train Toxin Rebels. The toxin-dispensing weapons of these units are equally effective against vehicles and infantry but the downside this weapons is ineffective against buildings. His Tanks, RPG infantry and Stinger Sites also add a "stream" of toxin to their rockets, which adds a large damage bonus to their attacks.

Prince Kassad[]

Prince Kassad: A GLA General specializing in stealth tactics. All of his buildings can be covered in camo netting, making them invisible to most enemy units, he gets an improved GPS Scrambler ability, this allows him to cloak more units than other GLA cells can in a permanently (unless they are not attacking or detected), and has improved stealth Rebels. He also has cheaper Hijackers from the start that are always stealthed. He cannot build main battle tanks, or long range SCUD launchers. Ambush, surprise, harassment and attrition are the optimal strategies for Kassad's forces. However, the lack of heavy armor leaves them even more vulnerable than regular GLA cells to direct and concentrated assaults. Also, the inability to deploy long range SCUD launchers means that at most times, his forces operate without in-direct fire support. The stealthy presence of his forces provide a psychological edge over human opponents, but AI can somewhat detect the player's presence without using satellite scans or other stealth-detecting devices.

Rodall "Demo" Juhziz[]

General Rodall "Demo" Juhziz: A GLA general specializing in Demolition and High explosives. Most of his field units and buildings are granted (Demolition) a self-destruct capability, encouraging the use of suicide attacks. His Terrorists are more powerful and he has cheaper, more powerful Demo Traps. His Combat Cycles come with a Terrorist instead of a Rebel. All rocket-base weapon systems are equiped with High Explosive warhead (red flash in explosion) upon impact. this include RPG Trooper, Scud Launchers, Stinger Sites, and Scorpion tanks with Scorpion Rockets encluding the SCUD Storm dealing more damage. He does not have access to most stealth units or Anthrax weapons. He also does not face the player in the Generals' Challenge.

Boss General[]

"Tigress" Leiong Leang[]

General "Tigress" Leiong Leang: The final general in the Generals' Challenge. She has a massive army consisting of units & structures from all three regular factions, in addition to a Particle Cannon, Nuclear Missile, and SCUD Storm. She is not a playable general. However, she can be unlocked as a playable general in different incarnations by several modifications.


General Ironside[]

General Ironside is the boss general of the USA forces alongside the American Commander.

He utilizes all powers available to USA faction, such as the combination of the effective King Raptor, deadly Aurora Alpha and cheap Particle Cannon. both EMP Patriot Missile Defense and Laser Turret is available, make his base is nearly impenetrable. Besides that, he also uses a group of CIA agents which can plant demolitions, assisted by few Pathfinders which always cloaked led by Colonel Burton which can plant bombs even faster.

General Mohmar "Deathstrike"[]

General Mohmar "Deathstrike" the boss general of the GLA forces, he is never fought, but he is the focus in first mission of the GLA campaign. In that mission, Deathstrike must be escorted to a stolen C-130.

Online play[]

Same as with the base game, Zero Hour included online play through GameSpy on Windows, as well as LAN play on both Windows and Mac. Once the GameSpy servers were shut down, the remaining core player base moved to the community-run server C&C:Online. The Mac release is incompatible with this service.


Names in different markets[]

  • France: Command & Conquer: Generals – Heure H
  • Germany: Command & Conquer: Generäle – Die Stunde Null


Debut trailer
USA trailer
China trailer
GLA trailer



  1. Electronic Arts Los Angeles, Command & Conquer: The First Decade. Feature: "10 Years of Command & Conquer".

External links[]

Community websites[]

Command & Conquer series
Generals and Zero Hour missions