America
UU: B17, Bomber Replacement, Greater Range and Strength, higher percent of collateral damage
UB: Town Hall, Courthouse replacement, additional 3 beakers of science.
Arabia:
UU: Camel Gunner, replaces Cavalry, no resources required, ignores terrain cost, 33% chance of withdrawal
UB: Bazaar, replaces Market, +1 Trade Route, can assign 3 merchants
Aztec:
UU: Eagle Warrior, replaces Maceman, moves 2, 1-2 first strikes
UB: Floating Garden, replaces Aqueduct, +2 culture, +2 Espionage
Babylon:
UU: Scythed Chariot, replaces Chariot, bonus against mounted units, targets mounted units in a stack.
UB: Stone Tablet, replaces Monument, +1 Science.
Byzantium:
UU: Dromon, replaces Trireme, bonus against all Naval Units.
UU: Varangian Guard, replaces maceman, cheaper to recruit with larger city attack bonus.
Carthage:
UU: Armored Elephant, replaces Elephant, +2 Strength
UU: Sacred Band, replaces Spearman, +100% against melee units.
Celts:
UU: Highlander, replaces Maceman, +50 against Mounted Units
UU: Ulster Swordsman, replaces Longswordsman, starts with combat 1, combat 2
China:
UU: J-10, replaces jet fighter, 33 percent chance of evasion, starts with Ace and Range promotions
UB: Paper Maker, replaces Library, +4 Espionage points.
Egypt:
UU: Berber Cavalry, replaces Knight, ignores terrain cost, has Blitz promotion.
UB: Burial Tomb, replaces Forge, can assign up to 2 engineers, bonus happiness from incense and dye.
England:
UU: Welsh Longbowman: Replaces Longbowman, +25% against archer and melee units
UU: Man O’ War, replaces Ship of the Line, greater bombard of city defenses, bonus against naval, can carry 3 troops.
Ethiopia:
UU: Kuhorsehockye Chariot, replaces Chariot Archer, 3 movement
UU: Kagnew Battalion, replaces SAM INFANTRY, better intercept, bonus against Tanks.
France:
UU: Foreign Legion, replaces Infantry, bonus defending cities/forts, fighting in jungles and deserts.
UB: Culverin, replaces Trebuchet, moves 2 and bonus against melee units.
Gran Colombia:
UU: Grenadero, replaces Grenadier, bonus against ALL gunpowder units and small city attack bonus
UB: Plaza, replaces Industrial Park, no unhealthiness, no factory requirement
Germany:
UU: U-Boat – Replaces Submarine, bonus against naval units
UU: Howitzer – Repalces Artillery, Greater bombard strength, higher strength.
Greece:
UU: Companion Cavalry, replaces Horseman, +2 Strength.
UB: Agora, replaces market, +15% research
HRE:
UU: Teutonic Knight, Replaces Knight, cannot pillage, receives defensive bonuses, starts with Leadership Promotion
UB: Opera House, replaces Theatre, +6 culture instead of +3
Inca:
UU: Andean Slinger, replaces crossbowman, bonus against archer units and fighting in hills.
UB: Stone Walls, replaces Walls, +70 Defense, +30 espionage defense.
India:
UU: Sepoy, replaces Infantry, moves 2 and has 1-3 first strikes
UU: Siege Elephant, replaces Cannon, available with Gunpowder, can be built with Bronze or Iron, bonus vs. mounted units
Iroquois:
UU: Aenna, replaces Archer, doesn’t need Open Borders, start with Woodsman 1
UB: Fur Trader, replaces Granary, +2 merchant GPP and bonus happiness/healthiness with fur.
Israel:
UU: Merkava, replaces Modern Armor, cheaper to produce with high withdraw, damates enemy stacks with collateral damage
UU: Macabbee, replaces Swordsman, available with Monotheism, can be built with copper, gains as much experience from defending as attacking.
Japan:
UU: Zero, replaces Fighter, stronger with higher damage limit against enemies.
UB: Pagoda, replace Observatory, +2 health, slot for an Artist Specialist, happiness with Dye or Silk
Khmer:
UB: Rice Paddy, replaces Grocer, +1 food on river tiles
UU: Vietcong, replaces Machine Gun, can attack, 2-4 first strikes.