sorry for the double, truely ment to add this query to the original post.
anyone have some input regarding
FPSCreator ? prices are better than many and looks pretty decent. i know it dosnt match my above criteria but still might be fun to build a good zombie "sim"

definately seems to be a popular theme for games done by that proggy but i have a couple ideas for amusment in mind. (think FPS Player-v-Player-v-Zombies!

)