Caravel → Elite Caravel ( Portuguese only).Turtle Ship → Elite Turtle Ship ( Koreans only).Longboat → Elite Longboat ( Vikings only).Demolition Raft → Demolition Ship → Heavy Demolition Ship.Fire Galley → Fire Ship → Fast Fire Ship.The Castle is a strong fortification and also provides unique units and technologies. The Market is the center of trade and trains the only available land trade unit. Armored Elephant → Siege Elephant ( Bengalis, Dravidians, Gurjaras, and Hindustanis only).Bombard Cannon → Houfnice (the latter Bohemians only).The Siege Workshop trains and upgrades siege weapons. Shrivamsha Rider → Elite Shrivamsha Rider ( Gurjaras only).Xolotl Warrior ( Aztecs, Incas, and Mayans only).Steppe Lancer → Elite Steppe Lancer ( Cumans, Mongols, and Tatars only).Tarkan → Elite Tarkan ( Huns only after researching Marauders).Battle Elephant → Elite Battle Elephant.Camel Scout ( Gurjaras only) → Camel Rider → Heavy Camel Rider → Imperial Camel Rider (the latter Hindustanis only).Scout Cavalry → Light Cavalry → Hussar → Winged Hussar (the latter Lithuanians and Poles only).Elephant Archer → Elite Elephant Archer ( Bengalis, Dravidians, and Gurjaras only).Genitour → Elite Genitour ( Berbers and allies only).Skirmisher → Elite Skirmisher → Imperial Skirmisher (the latter Vietnamese and allies only).The Archery Range trains and upgrades archers. Huskarl ( Goths only after researching Anarchy).

Condottiero ( Italians and allies only).Eagle Scout → Eagle Warrior → Elite Eagle Warrior ( Aztecs, Incas, and Mayans only).Militia → Man-at-Arms → Long Swordsman → Two-Handed Swordsman → Champion.The Barracks trains and upgrades infantry. Flemish Militia ( Burgundians only after researching Flemish Revolution).The Town Center is the most important of all buildings, and trains the most important unit. Nine different generic buildings can train units. To see which civilization can train which units, see technology tree. Note that not all of these units are available to all civilizations, unless the All Techs option is checked. The following units are available in any regular game.

Age of empires 4 units