Defense system! (V 1.0.8)

This adventure has power-ups.

Hope you like it!
15 likes for derivatives!

1.0.0: first release
1.0.1: added new area, fixed mistakes
1.0.2: fixed few mistakes
1.0.4: added limits to prompts
1.0.6: longer
1.0.7: mistakes fixed
1.0.8: mistakes fixed. I Mistaken a lot!