- Difficult Mode B
There is also a difficult mode, Game B, where you can't fight back against missiles.

- Elements of gameplay
As you play through the game, you will unlock new characters that you can use. The rules are a little different for each character.

- Recreating a nostalgic atmosphere
The instructions that come with the electronic game reproduce the atmosphere of the time. In addition, you can play with deteriorating reflectors and polarizers.

I hope you enjoy the nostalgic sense of play!