Quote: "Ok. First off, I know you can not create a multiplayer game with multiple levels, however can you create a single player game with multiple levels (In the same EXE)"
Fpsc IP does this
Quote: "Would you be able to add a save game option, or would this come under checkpoints/waypoints"
the built game lets you save where ever you wish and load from that spot.
Quote: "Is there a way to set the ground as a Sand kind of thing and the sky as a normal blue sky or night sky or anything like that? "
i think that the cosmic prophet made some cool sand segments in his pirate pack and use a sky box to make the sky blue