The core mechanics of the gameplay is almost always to aim at the opponent(s) following a ballistic trajectory (in its simplest form, a parabolic curve).
One of the earliest known games in the genre is War 3 for two or three players, written in FOCAL Mod V by Mike Forman (date unknown).
The Tektronix 4051 BASIC language desktop computer of the mid-1970s had a demo program called Artillery which used a storage-CRT for graphics.
It replaces the military theme with a player attempting to launch a performer into a container of water by adjusting the angle and force of the cannon.
was released in 1982 for the Magnavox Odyssey² console in which two catapults, each behind a castle fortress wall, launched rocks at each other.
Although not turn-based, the game made use of the console's speech synthesis to emit sarcastic insults when one player fired at the other.
[1] Circa 1984, a game called Siege also appeared by publisher Melbourne House, this was released for the VIC-20, Commodore 16 and other home computers.
Scorched Earth, with numerous weapon types and power-ups, is considered the modern archetype of its format.
The game is highly configurable and utilizes a simple mouse-driven graphical user interface.