It looks like there is a division by the distance from the place you click when you throw a plane. Right of the place you click is positive, and there is no amount lower than 0.
You have finished Stick War II on INSANE!
Tutorial 03:02
Blot out the sun: Archidons Declare War 06:21
Silent Assassins: Ninjas Declare War 07:51
Magic in the Air: Wizards and monks Declare War 10:12
Rebels United 11:49 1 retries
Massive Battle 05:42
Explosive War: Bombers Attack 08:53
The Night is Dark: Juggerknights Attack 09:51
Undead War: Deadly Deads Attack 11:39
4 legged Fury: Crawlers Attack 12:09
Shadow of the moon: Eclipsors Attack. 16:14
Bone Pile: Marrowkai summon war 07:16 1 retries
Medusa's Gates: The Chaos Capital is in sight. 14:55
Medusa and the Full Chaos Empire: Final battle 09:45
Total time (including retries): 167:35
Best time: 135:39
 "Rail of Death 3"){kind=icon}
 "Splode"){kind=icon}
 "Slash: Wrath of the Shiitake"){kind=icon}
 "Frantic"){kind=icon}
 "Vortex Point"){kind=icon}
 "Clan Wars 2 - Red Reign"){kind=icon}
 "Minion Master"){kind=icon}
 "Prose and Motion"){kind=icon}
 "Accelerator"){kind=icon}
 "King's Game 2"){kind=icon}
 "Flight"){kind=icon}
 "The World Is Ending"){kind=icon}
 "Stick War 2"){kind=icon}