How to play Alien Invasion?
1. Start the game by selecting your ship type and loading your weapons.
2. Move your ship with the Arrow keys and fire your weapons using the spacebar.
3. Destroy as many aliens as you can before they reach the bottom of the screen.
4. Collect Power-Ups to Upgrade your weapons and increase your chances of survival.
5. Survive as long as possible and try to get the highest score.
Alien Invasion
Alien Invasion is an online game that you can play on 4J.Com for free. Aliens have invaded the earth and your work is to protect the earth. The universe is your battlefield, and you are attacked from all sides. Attempt to ruin all the aliens and win this war!
