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Classic Empire

Empire
Developer(s) Walter Bright, Mark Baldwin (1987–1990s), Bob Rakosky (1990s), Mark Kinkead (2001–present)
Publisher(s) Interstel (1987), New World Computing (1993), Killer Bee Software (2002, 2004)
Designer(s) Walter Bright
Platform(s) PDP-10 (1977), ~1987 (Atari ST, Amiga, Commodore 64, Apple II, Macintosh, MS-DOS), Windows (1993, 2002, 2004)
Release 1977, 1987–1988, 1993, 2002, 2004
Genre(s) Strategy, Wargame
Mode(s) Single-player or multiplayer

Empire (or Classic Empire) is a turn-based wargame with simple rules. The game was conceived by Walter Bright starting in 1971, based on various war movies and board games, notably Battle of Britain and Risk. The first version on a computer was released in 1977, and ported to many platforms in the 1970s and 80s. Several commercial versions were also released, often adding basic graphics to the originally text-based user interface. The basic gameplay is strongly reminiscent of several later games, notably Civilization.

At the start of a new game, a random game map is generated on a square grid basis. The map normally consists of numerous islands, although a variety of algorithms were used in different versions of the game, producing different styles of maps. Randomly distributed on the land are a number of cities. The players start the game controlling one of these cities each. The area immediately around the city is visible, but the rest of the world map is blacked out.

The city can be set to build armies, aircraft, and various types of ships. Cities take a particular number of turns to produce the various units, with the armies typically being the most rapid. Players move these units on the map to explore the world, typically seeing the land within a one square radius around the unit. As they explore they will find other cities, initially independent, and can capture them with their armies. The captured cities are then set to produce new units as well.

As the player's collection of cities expands, they are able to set aside some to produce more time-consuming types, like battleships. Ultimately they have to use these forces to take all the cities on the map, including those of the other players, who are often run by the computer's game engine.

Bright's first version was written around 1977 in the FORTRAN programming language for the PDP-10 computer at Caltech. This version was spread virally to other PDP-10s, which were common timesharing systems at the time. Later, Bright recoded this in assembly language on a Heathkit H11 and made it available commercially. He sold two copies.


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