| Prototype
                              Differences  | 
                  
                    | The game is still called
                        Excalibur | 
                  
                    | The text in the display
                        box is briefly corrupted upon boot | 
                  
                    | There is no box around the input window | 
                  
                    | The blue bar at the bottom of the screen is
                        missing | 
                  
                    | The green of the background extends all the way
                        to the bottom of the screen | 
                  
                    | The HMOV bars on the left side of the screen now
                        extend top to bottom in order to hide them | 
                  
                    | You start with 0 gold
                        instead of 200 | 
                  
                    | You don't take damage from monsters, but you can
                        still lose strength through items | 
                  
                    | Crossing the bridge
                        resets the game (possible missing second load) | 
                  
                    | The Maniac is called a
                        Smiler | 
                  
                    | The Paper (ID) is called a Scroll | 
                  
                    | Monsters always approach from the right | 
                  
                    | Using an item displays 'Using <item>'
                        instead of 'Use <item>' | 
                  
                    | The 'Feels Weird' text when using a stat item is
                        missing | 
                  
                    | The Guard always drops a shield when defeated | 
                  
                    | The donation amounts for the church are 250 or 15
                        gold rather than 200 or 15. | 
                  
                    | When touching objects the text says 'A
                        <object>' instead of just '<object>' |