Age of Empires
Ballista

Age: Iron

Prerequisites: First build a Town Center, build a Barracks, build a Archery Range, then build a Siege Workshop

Cost: 100 Wood, 80 Gold

Armor: 0

Range: 9

Attack: 40

Hit Points: 55

Speed: Slow

Get From: Siege Workshop

Special: Fire rate is once every 3 seconds; minimum range 3

The Ballista can be upgraded to theHelepolis. Other Siege Weapons include the Stone Thrower, Catapult, and Heavy Catapult.
Researching Alchemy increases attack strength. Ballistics increases accuracy. Engineering increases range.