Future Wars

In 1989, a simple window cleaner works outside a skyscraper. Intending to play a prank on his angry boss, the unlikely hero discovers a secret passage leading to a time machine, along with mysterious alien documents. Operating the machine transports the protagonist to the year 1304, where he is given the seemingly ordinary task of rescuing a lady in danger. But he soon finds out that there is much more to the story. The first in a series of games that were supposed to deal with time travel, but no further games were developed.