Since you're comfortable in text mode, try some movement...by (Login qb432l)
Have the player use the arrow keys to avoid an attacker while trying to capture prizes. It's a pretty simple concept:
Check out this game by former forum owner Mac:
Naturally, your game could be much simpler than Mac's. Over the years he kept adding bells and whistles -- including the ability to record and play back previous games. A simple playing area with only a few elements is all you'd need to get started.
If you're interested in pursuing such a project, post again and you'll get all the help you need.
P.S. In your guessing game (below) you should test for both "n" and "N" to see if the player wants to quit -- most people will just hit the "n" key and the game will continue. There is also the option of using LOOP UNTIL UCASE$(pa) = "N". Since the UCASE$ function converts any lowercase input to uppercase, any old "n" will match.