Parodius

パロディウス

Cover for the SNES version.
Original name	パロディウス
Developer	Konami (who also created Gradius)
Country	Japan
Platform	Various
Release date	April 28, 1988 (first game of Parodius)
Genre	Scrolling shooter
Does it deal exclusively with giantesses?	No
Where to get it?	It depends on the game, there are some that are no longer for sale officially
Is it in English?	Some yes

It is a series of video games based on Gradius with strikingly funny graphics (for the Japanese).

Synopsis

There is no interesting story. It's just the same graphically modified Gradius game so you have quirky elements.

Games

This series consists of several games since 1988:

Parodius: The Octopus Saves the Earth (1988, MSX)
Parodius! From Myth to Laughter (1990, arcade)
Parodius! Deluxe Edition (2004, Mobile Phone, for Konami Net DX)
Fantastic Parodius - Pursue the Glory of the Past (1994, arcade)
Jikkyō Oshaberi Parodius (1995, Super Famicom)
Sexy Parodius (1996, arcade)
Paro Wars (1997, PlayStation)
Little Pirates (1998, Pachislot)
CR Parodius Da! EX (2000, Pachinko)
CR Parodius Da! ZE (2000, Pachinko)
CR Parodius Da! 2 (2000, Pachinko)
CR Saikoro Tin Douty (2004, Pachinko)
CR Gokujō Parodius! (2006, Pachinko)
Gokuraku Parodius (2010, Pachislot)
Gokuraku Parodius A (2010, Pachislot)

And where are the gigantas?

Of all the bosses that have had the series Parodius some are human women. Because the character you control is relatively smaller with respect to the bosses, then GTS community appreciate that. The following will show a gallery where these bosses appear: