Submarine vs Aliens

Your objective in this crazy shooter with a lot of enemies, weapons and upgrades is to control a submarine and fight against dangerous aliens. Use YOUR MOUSE to control a submarine. The submarine shoots automatically. You can drop the bomb by clicking LEFT MOUSE BUTTON, bomb will be moving forward. Following left click will blow up earlier dropped bomb. Collect batteries – the more batteries you collect, the more weapons and upgrades you can activate. Press and hold the CTRL or SPACEBAR to fix aim and strafe. Bubbles energy is reduced for this ability. Good luck!