Adventure was a game about a knight (i think) who had to find an enchanted sword (i think) and defeat a dragon (maybe a large duck?) and find a way across a river (?) with a portable bridge (i never really figured out what that was) into a castle (obvious) and then when you beat the game the screen would flash and make a weird noise. I'm not really sure what the character's motivations were, but in my head when I played the game I saw something like this:

When it actually looked like this:

Which is probably why I'm drawing comics right now.