Cheats for Excalibur 2555 A.D. Here are two working cheats of Excalibur 2555 AD. During the game press ESC & F12 simultaneously with the following; One time Up Arrow & Seven times Left Arrow = FULL HEALTH Two times Up Arrow - Two times Left Arrow - Two times Right Arrow & Two times Left Arrow = FULL SWORD POWER. Now let go the Esc & F12 (continue is selected) and press space bar. There must be a cheat for skipping levels also, but that one is hard to find.