Inspired by arcade games from the 80’s, Hydorah‘s a very capable riff on the classic old shootemup Gradius. It’s free, runs only on windows, and is pretty damned difficult. Definitely check it out if you grew up in the 80’s and enjoy shootemups. Here’s a video to give a sense of how it plays:

http://vimeo.com/moogaloop.swf?clip_id=7066986&server=vimeo.com&show_title=1&show_byline=1&show_portrait=0&color=&fullscreen=1

Hydorah Official Trailer from Locomalito on Vimeo.