Loyaulte Me Lie: Bosworth Field, 1485 is a low complexity wargame on the Battle of Bosworth Field on August 22, 1485. The game uses recent archaeological finds on the battlefield to create as accurate of a map as possible.

The game is an introductory level wargame and as a result has a simple 8 page rulebook. The game uses basic hex and counter mechanics with a few special rules to simulate combat of the medieval era. Cavalry charges and infantry shock attacks are given special consideration.

The game is won by killing either Richard III or Henry Tudor or by routing your opponents army. If neither of these objectives have been achieved after 8 turns, the Yorkist side wins.