Don't have much choice here... liberation of the human colony it is!
I'm not entirely sure where I discovered Hydorah, but I will remain eternally grateful to that person or place. The reason for this is that Hydorah is a Gradius/Nemesis-inspired shooter, and I happen to be rather fond of that particular arcade game.
Of course, there are plenty of Gradius-inspired shooters that aren't very good. But with Hydorah, programmer Locomalito obviously took a lot of time, care and attention in making sure that this game was a fantastic and authentic shmup.
Isn't the countryside nice? Lush green grass, rolling hills, deadly enemy spaceships...
Hydorah features sixteen levels, although the chances are you'll never see most of them. As I said, this is an authentic arcade shooter, and that authenticity extends to its difficulty level - it's rock! Actually, in saying that, if you're careful then you should progress quite well. Any time you die, it's your own fault, the game will never cheat you. But you do have to be good... really good... if you want to get anywhere.
In a way that's a bit of a shame, because there's so much to love in Hydorah. Of course, there's a huge amount of stuff to blast. It looks absolutely gorgeous, and sounds great too, with some music sounding similar to classic SNES tunes. It's even got little secrets tucked away to try and discover. But as I said, you might never see most of them.
In an interesting twist, if you destroy that factory you'll lose points.
Still, Hydorah is truly worth persevering with, particularly if you have any love at all for Gradius, or any 80s arcade shoot 'em up, really. It's a wonderful piece of work, which makes it all the more surprising that it's free. I would seriously pay good money for this game. I'm not sure if there's a Donate option because the website is down at the moment, but you can download the game here: Hydorah download. I would seriously recommend anyone download this immediately. If it's your thing, there are also two soundtracks available: the original soundtrack, and a selection of arranged tracks.
Hydorah is a brilliant homage to the glory days of the arcades, and a fantastic game in its own right. The only reason it isn't higher on my list is because I'm rubbish at it. But that hasn't stopped me from playing...
EDIT: The website is back up now, and there is indeed a "Donate" button. So I'll be chipping in, it's well worth it. Have a look at the site, there are some cool extra materials, such as an instruction manual, and everything you need to make a DVD version of the game.