Sniper Assassin: Killing games

This game is offline sniper game where you can shoot enemies on the helicopter. It's not just a shooter, it's FPS game where you can fly on helicopter and shoot enemies with your sniper gun.
You will fly all over the world on helicopter and trying to save your allies from enemies.

You can buy new types of weapon attachments and merge it, such as: sight, magazine, sniper rifle, magazine, flash suppressor. You can improve them by merging.
You can buy a soldier as your assistant, which soldier has a unique ability: someone has a shield and can live for a long time, someone has a machine gun and deals a lot of damage. Buy as many soldiers as possible to resist your enemies!
You can also upgrade them up and improve their characteristics.

Losing Condition: If all your allies die.

It's a shooting simulator, so you should hit the target with clean shots!