Battles in Time was a PC

Personal computer

A personal computer is any general-purpose computer whose size, capabilities, and original sales price make it useful for individuals, and which is intended to be operated directly by an end-user with no intervening computer operator...

 video game and was the first and last product co-developed by Quantum Quality Productions

Quantum Quality Productions

Quantum Quality Productions was a computer games company specializing in strategy games and war games.Run by Bruce Williams Zaccagnino and Mark Baldwin it produced a number of games that achieved "cult status", most prominently The Perfect General.In 1994, due to financial difficulties, QQP...

 and American Laser Games

American Laser Games

American Laser Games was a company based in Albuquerque, New Mexico that created a wide variety of light gun laserdisc video games. The company was founded in the late 1980s by Robert Grebe, who had originally created the system to train police officers under the company name ICAT , and adapted the...

. The game was a time travel

Time travel

Time travel is the concept of moving between different points in time in a manner analogous to moving between different points in space. Time travel could hypothetically involve moving backward in time to a moment earlier than the starting point, or forward to the future of that point without the...

-based strategy game

Strategy game

A strategy game or strategic game is a game in which the players' uncoerced, and often autonomous decision-making skills have a high significance in determining the outcome...

.

In the far future, humans no longer needed war. When aliens decide to invade the planet, a test is made up to provide commanders for the army. Four time periods are used: 2025, World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, the Roman Empire

Roman Empire

The Roman Empire was the post-Republican period of the ancient Roman civilization, characterised by an autocratic form of government and large territorial holdings in Europe and around the Mediterranean....

, and prehistoric times. Succeeding in these four missions will allow the human to take on the alien threat.