I have done that as a temporary delay because if the N key is pressed, all the nukes will be gone in a blink of an eye. Later I will make a better delay function.
A new version of this scenario was uploaded on Tue Aug 19 02:13:57 UTC 2014
Added waves, deleting purple and dark blue enemies because it's not done. They will be re-added. Changed the shooting mechanics, and implemented a highscore table.
2014/8/18
2014/8/18
2014/8/19
2014/8/25
2014/8/25