I'm creating a Swordquest fangame with Zelda sprites, hence the title of this topic. I already recently released an engine test demo that takes place in 'Earthworld'. I'll be making my very own Airworld from scratch (yes, all 4 realms will be in the same game).
The program used to design this is Game Maker, version 6.1 (http://www.gamemaker.nl). On each realm, you place certain items in certain rooms to discover 9 "clues". When all 9 are found, the way to the Big Key of that realm opens for you to claim it. You need all 4 big keys to unlock the Master Sword Of Sorcery chamber, get the sword and win the game. There will be a "second quest" after beating the game which allows you to play through it again at a higher difficulty, including randomly created clues.
I haven't made any 'action sequence' rooms yet. That is next on my "to do" list. You can carry up to 6 items and can drop no more than 8 items in the same room. The zip contains a text file on the controls and other info.
Speaking of the demo, here it is... http://bryann380.home.comcast.net/zeldasq.zip . In this demo, each clue requires only one item. Let me know what you think of it.