I'now many retros have quite bugged mechanics.....
.... But flying up high shooting a machine gun downwards is a bit too much, isn't it?
The game is a bit too short... One of the most advantages of retros (IMO) is the lenght allowed for its simple programming - Like retro RPGs, that you take 1 entire week to get over, and have the size of an Bitmap. I though the giant slime was the 1st boss (Actually, I think the game starts after the show-up of the bad AI.).
But overall it is a good game, a bit of secrets and simple to play, just a bit too short and the flying machine gunner bugger. Better than most games that appear on Front page for sure.