Can you release on GOG?

I li=kethe idea of shmups but my onyl experience from them is the game on nokia 3310 i think mosat of them are the same the reason i got this one anyway is because u can choose and upgrade ur own weapons so i want to know if there is more games like that

How are you supposed to hit level 75 for the achievement? As far as I can tell, it maxes out at 60

anybody could explain what it is??? I'm hesitating to install it cause I'm afraid it might contain a virus, sort of.

Trying to form a build to tackle damageless boss runs, having a buffer would be a huge help