Greatmathgame.com offers a thrilling online game called Alien Chain that is both free and addictive. Your goal is to eliminate as many aliens as possible using minimal bullets. To boost your chances, gather missiles that will allow you to shoot more frequently and earn more points. You must achieve specific goals to acquire coins that can be used to upgrade your weapon. Accomplish one of these achievements to gain coins: gather 12 missiles in a round, reach 1500 points, or annihilate a specific number of enemies. With the coins earned, you can enhance the chain reaction, damage, ammo, lanes, bonus chance, and enemy density to become an unstoppable force. Are you ready to take on this challenging and enjoyable game? Give Alien Chain a try and enjoy! Controls: Mouse