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Thief is a 1981 Apple II game written by Bob Flanagan and published by Datamost. It is a clone of the 1980 arcade game Berzerk from Stern Electronics.
Video Thief (Apple II game)
Summary
The game puts the player in control of a thief that must make his way through simple mazes, though there are no objects to actually steal. Each level is populated by stocky, possibly robotic guards that converge on the player, and which the player must either shoot or evade.
Maps Thief (Apple II game)
References
Source of the article : Wikipedia