Civilization IV/Units

Melee

Name	Strength	Movement	Cost	Requires	Abilities
Axeman	5	1	35	Bronze Working + Copper or Iron	+50% vs. Melee
Jaguar	5	1	35	Aztec Empire, Iron Working	+10% City attack, +25 Jungle Defense. Replaces swordsman
Maceman	8	1	70	Civil Service, Machinery + Copper or Iron	+50% vs. Melee
Phalanx	5	1	35	Greek Empire, Hunting + Copper or Iron	+25% hills defense, +100% vs. Mounted units
Pikeman	6	1	60	Engineering, Iron	+100% vs. Mounted units
Praetorian	8	1	45	Roman Empire, Iron Working, Iron	Replaces swordsman
Quechua	2	1	15	Incan Empire	+25% City De, +100% vs. Archery units. Replaces Warrior.
Samurai	8	1	70	Japanese Empire, Civil Service, Machinery + Copper or Iron	2 First Strikes, +50% vs. Melee. Replaces Maceman.
Spearman	4	1	35	Hunting + Copper or Iron	+100% vs. mounted units
Swordsman	6	1	40	Iron Working, Iron	+10% City attack
Warrior	2	1	15		+25% City Defense,

Archery

Name	Strength	Movement	Cost	Requires	Abilities
Archer	3	1	25	Archery	1 First strike, +50% City defense, +25% Hill defense
Cho-Ko-Nu	6	1	60	Machinery, Archery, Iron, Chinese Empire	2 First Strikes, Collateral damage, +50% vs. Melee units. Replaced Crossbowman
Crossbowman	6	1	60	Machinery, Archery, Iron	1 First Strike, +50% vs. Melee units
Longbowman	6	1	50	Feudalism, Archery	1 First Strike, +25% City and Hills defense
Skirmisher	4	1	25	Archery	1-2 First strike, +50% City defense, +25% Hill defense

Mounted

Mounted units generally do not receive defensive bonuses.

Name	Strength	Movement	Cost	Requires	Abilities
Camel archer	10	2	90	Arabian Empire, Guilds, Horseback riding, Archery	Immune to First Strikes, 25% withdrawal chance. Replaces Knight.
Cavalry	15	2	120	Gunpowder, Military Tradition, Horse	30% withdrawal chance, +50% vs. Cannon.
Chariot	4	2	25	The Wheel, Horse	20% withdrawal chance
Conquistador	10	2	90	Spanish Empire, Guilds, Horse and Iron	Immune to First Strikes, +50% vs. Melee units. Replaces Knight.
Cossack	18	2	120	Gunpowder, Military Tradition, Horse	30% withdrawal chance, +50% vs. Cannon, +50% vs. Mounted Units
Horse Archer	6	2	50	Horseback Riding, Horse, Archery	Immune to first strikes, +50% vs. Catapult.
Immortal	4	2	25	Persian Empire, Wheel, Horse	30% withdrawal chance, +50% vs. Archery units, keeps defensive bonus. Replaces Chariot.
Horse Archer	6	2	50	Mongolian Empire, Horseback Riding, Horse, Archery	1 first strike, ignores terrain movement costs, +50% vs. Catapult.
Knight	10	2	90	Guilds, Horseback Riding, Horse, and Iron	Immune to First Strikes,
War Chariot	4	2	25	Egyptian Empire, Wheel, Horse	Immune to First Strikes, 20% withdrawal chance
War Elephant	8	1	60	Construction, Ivory	+50 vs. mounted units.

Siege

Other than the Machine gun, siege units do not receive defensive bonuses and have a 25% chance to withdrawal from combat. They also influce collateral damage and can bombard city defenses.

Name	Strength	Movement	Cost	Requires	Abilities
Artillery	18	1	150	Artillery	+50 vs. Siege units, and bombards for 25%/turn.
Cannon	12	1	100	Steel, Iron	Bombards for 20%/turn
Catapult	5	1	40	Construction	Bombards for 15%/turn
Machine gun	18	1	125	Railroad	Can't attack. 1 First strike, +50 vs. Gunpowder units.

Naval

Name	Strength	Movement	Cost	Cargo	Requires	Abilities
Battleship	40	6	225	0	Industrialism + Oil or Uranium.	Causes collateral damage, bombards for 20%/turn.
Caravel	3	3	60	1	Optics	Can explore rival territory. Can only carry Scouts, Exploreres, Missionaries, Spies or Great People.
Carrier	16	5	165	3	Flight + Oil or Uranium	Carries only fighters.
Destroyer	30	8	200	0	Combustion + Oil or Uranium	Detects submarines, 30% chance of intercepting aircraft, and bombards for 15%/turn. Can destroy tile improvements.
Frigate	8	4	90	0	Chemistry, Astronomy, Iron	Bombards for 10%/turn
Galleon	4	4	80	3	Astronomy
Galley	2	2	50	2	Sailing	Can't enter Ocean.
Ironclad	12	2	100	2	Steel, Steampower, Iron, and Coal	Can't enter Ocean. Bombards for 10%/turn
Submarine	24	6	150	1	Radio, Combustion + Oil or Uranium	Invisible to most units. Detects other submarines. Can explore rival territory. Can only carry Scouts, Exploreres, Missionaries, Spies or Great People. 50% chance to withdrawal from combat.
Transport	16	5	125	4	Combustion + Oil or Uranium

Gunpowder

Gunpowder units are not affected by walls or other buildings that improve defense.

Name	Strength	Movement	Cost	Requires	Abilities
Grenadier	12	1	100	Chemistry	+50% vs. Rifleman
Infantry	20	1	140	Assembly Line, Rifling	+25% vs. Gunpowder units
Marine	24	1	160	Industrialism, Rifling	+50% vs. Machine Gun and Artillery. Starts with Amphibious.
Mechanized Infantry	32	2	200	Robotics, Rifling	20% chance to intercept aircraft. Starts with March.
Musketeer	9	2	80	French Empire, Gunpowder	Replaces Musketman
Musketman	9	1	80	Gunpowder
Navy SEAL	24	1	160	American empire, Industrialism, Rifling	1-2 First Strikes. +50% vs. Machine Gun and Artillery. Starts with Amphibious, March.
Redcoat	14	1	110	English Empire, Rifling	+25% vs. Mounted and Gunpowder units. Replaces Rifleman.
Rifleman	14	1	110	Rifling	+25% vs. Mounted units.
SAM Infantry	18	1	150	Rocketry	+50% vs. Helicopter units. 40% chance to intercept aircraft.

Armored

Name	Strength	Movement	Cost	Requires	Abilities
Modern Armor	40	2	240	Composites, Computers, Oil, Aluminum	1 First Strike, no defensive bonuses. Starts with Blitz.
Panzer	28	2	180	German Empire, Industrialism, Rifling, Oil	No defensive bonuses. +50% vs. Armored units. Starts with Blitz.
Tank	28	2	180	Industrialism, Rifling, Oil	No defensive bonuses. Starts with Blitz.

Air

The gunship behaves similarly to other land units.

The fixed wing aircraft, both fighters and bombers, are stationed within a city (or carrier). While it can move anywhere on the map in a given turn, it cannot attack during the same turn. Fighters and bombers can be given an order within their mission range

Fighters can be intercepted by units ordered on an interception mission, as well as some ground units (when they attack their tile or an adjacent tile.)

Name	Strength	Movement	Cost	Requires	Abilities
Bomber	16	8	140	Radio, Flight, Oil	-50% vs. Water units, Causes collateral damage, and bombards cities for 15%/turn.
Fighter	12	6	100	Flight, Oil	50% chance of intercepting aircraft, and bombards cities for 5%/turn. Can destroy tile improvements. May be placed on aircraft carriers.
Gunship	20	4	160	Rocketry, Flight, Oil	Can't capture cities, no defensive bonuses. 25% withdrawal chance. +100% vs. armor. Ignores terrain movement costs, and can land on peaks. Combat wise, behaves similarly to other land units.
Jet Fighter	24	10	150	Composites, Flight, Oil, Aluminum.	70% Chance to intercept aircraft, Bombards for 10%/turn. Can destroy tile improvements. May be placed on aircraft carriers.
Stealth Bomber	20	12	200	Composites, Flight, Robotica, Oil and Aluminum	-50% vs. Water units, Causes collateral damage, and bombards cities for 20%/turn. 50% chance to avoid interception.

Other units

Name	Strength	Movement	Cost	Requires	Abilities
Explorer	4	2	40	Compass	Can't attack. Ignores terrain movement costs, and gets better results from villages.
Fast Worker	0	3	60	Indian Empire	Improves tiles.
Great Person	0	2	N/A	N/A	Can start a golden age (with another great person), discover a technology or join the city as a specialist. The great person may also have an ability depending on the person in question.
ICBM	0	1	500	Rocketry, Fission, Uranium, The Manhattan Project	Nukes enemy lands.
Missionary	0	2	40	Religion, and Monstary	Spreads religion to other cities (consumes unit)
Scout	1	2	40	Hunting	Can't attack, but +100% vs. animals. Gets better results from villages.
Settler	0	2	100		Builds cities.
Spy	0	2	80	Scotland Yard	Starts with Sentry, and invisible to all units. Can explore rival territories, and detect nearby spies. Only 4 allowed.
Work boat	0	2	30	Fishing	Can't enter ocean. Creates fishing boats, whaling boats, and offshore platform.
Worker	0	2	60		Improves tiles.

Animals

Name	Strength	Movement	Abilities
Bear	3	1	No defensive bonuses.
Lion	3	1	No defensive bonuses.
Panther	2	2	No defensive bonuses.
Wolf	1	2	No defensive bonuses.