The goal is to knock aliens off the board in such a way that only one remains on the board at the end.
The aliens can move horizontally or vertically. Once you hit an alien, it will start moving and fall off the board. Once you have only one alien on the board, you have completed the level and can move on to the next one.
This is a first version of the game, and it has a limited number of levels.
If you enjoyed it, please give it a 5 star rating to encourage me to develop it further.
Also, please send me an email and your suggestions and what you would like to see in future versions.
Hope you enjoy playing