The attack dialog pops up so that your mouse cursor is over the 'okay' button. This allows for double-clicking when you just want to attack with all armies, which is what you want most of the time. When you need to adjust something, you can drag it back onto the map.
 "The Last Stand: Union City"){kind=icon}
 "WarLight"){kind=icon}
 "Bloons Tower Defense 4"){kind=icon}
 "Hello Worlds!"){kind=icon}
 "FPA: Sneak Peek"){kind=icon}
 "Collapse It"){kind=icon}
 "Bunni: How we first met"){kind=icon}
 "Deadly Neighbours"){kind=icon}
 "Epic War 4"){kind=icon}
 "Reincarnation: The Backfire Of Hell"){kind=icon}
 "Crush The Castle 2"){kind=icon}
 "Mutant Madness"){kind=icon}
 "Kids Vs. Ice Cream"){kind=icon}
 "Kongai"){kind=icon}
 "The Last Stand 2"){kind=icon}
 "The Final Death Wish"){kind=icon}
 "Dolphin Olympics 2"){kind=icon}
 "Elona Shooter"){kind=icon}
 "Body Ladder"){kind=icon}
 "The Battle"){kind=icon}
The attack dialog pops up so that your mouse cursor is over the 'okay' button. This allows for double-clicking when you just want to attack with all armies, which is what you want most of the time. When you need to adjust something, you can drag it back onto the map.