Solaris (free demo)

If you like titles like Hellfire and Gradius you can't miss Solaris (free demo), a videogame with a very similar mechanics.

The horizontal scroll of this Martian-killer is very fluid despite the large number of shots and enemies you will have to deal with, approaching the style of the danmakus. To avoid everything in time you must move very quickly, otherwise your ship can be severely damaged in just a few seconds.

The Solaris (free demo) game ends when your health bar reaches zero, when you have to start again.