+ Dave also says the Space Thingy should not be preserved across saved
+ games, so you can't prove to others that you've seen it. He says it
+ shouldn't fire back, either. It should do nothing except scream and
+ disappear when hit by photon torpedos. It's OK that it may move
+ when attacked, but it didn't in the original. (Whether the Thingy
+ can fire back is now controlled by OPTION_THINGY and turned off if the
+ game type is "plain" or "almy". The no-save behavior has been restored.)
+
+ The Faerie Queen, black holes, and time warping were in the original.