Which are your Top 3 Retro Shoot 'em Up Games?

[eroguro]

My top 3 are:

 

[VampireLord1024]

I also like Galaga too.

 

[It's Thinking 2]

Gradius 3, Thunder Spirits/Thunder Force 3, Lords of Thunder

 

[Note]

Ikaruga (DC), Steel Empire (GEN), and Iridion II (GBA) are up there for me.

 

[CRTRebel]

My favorite shmups undoubtedly remain Gunhed/Blazing Lasers (PC Engine/TurboGrafx-16), Silpheed (sega cd), Sol-Feace (genesis/sega cd).