Catapult is an Aramon unit in the real-time strategy computer game, Total Annihilation: Kingdoms.
Aramon Catapult


From the handbook (Page 35):

Built by: Barracks

Classically designed, these sturdy rolling platforms hurl large rocks for distance over small obstructions. A Catapult can do much damage, but cannot take much punishment itself, making it most effective behind your other units.