To install xgalaga++ just follow these instructions.
sudo apt-get install xgalaga++
Which will install xgalaga++ and any other packages on which it depends.
|Maintainer||Debian Games Team <email@example.com>|
|Description||classic single screen vertical shooter, inspired by xgalaga Window extension and its window is freely resizable. It is inspired by XGalaga, but rewritten from scratch, except for the graphics.|