v4.0.6
Low-level aircraft have been strengthened.
Simplified 1st era.
Progress in endless mode has been accelerated.

v4.0.5
Enemy aircraft now avoid collision with the player.
Aircraft purchase bug fixed.

BIG UPDATE v4.0
Added endless mode with new content.
Bombs can now be upgraded.
Many new types of bombs have been added.
Added temporary boost system.
Added new planes.
Added translation into several languages.
The camera has been redone.
The balance of opponents has been reworked.