Retro Achievement for Twin Cobra

Too Easy

I'm Invincible!

Shooting Stars I

Big Green Tank

Big Blue Tank

Rail Tanks

Gatling Tanks

Command Center

Heavy Tanks

Super Tanks

Rail Tanks Again?

Quad-Gun Tanks

Don't Drop 'Em

Killing Spree

Half Way There

Max Power Red

Max Power Green

Max Power Blue

Max Power Brown

Shooting Stars II

Shooting Stars III

Shooting Stars V

Bullet Dodging Expert

Expert Gunner

Deadly Cobra

One of Everything, Please.

Shooting Stars VI

Shooting Stars VII

Shooting Stars VIII

Crown of Victory

Shooting Stars IX

Shooting Stars X

Unstoppable