Procedural Generation in Four Seasons

Not a fantastic game nor a bad one, it's average (but still good)

Now here's a summary:

I see there's only one music and the boss is a static image

BUT!

The Spring pattern is the best pattern I have ever seen in bullet-hell history, it was great and I loved it!

Gonna keep it in my pc

Works on Wine 2.20 32 bit, macOS Sierra