Video Game: Giga Deep

GIGADEEP is a freeware Mega Man-like game made in 2010 by Peposoft, the maker of Houkaimura and Minishooter RS Delta. It features the usual eight levels plus fortress and a handful of playable characters. Ability upgrades can be brought at a shop, though most of them have be unlocked first.

On the same year, Peposoft also released a Touhou fangame, Touhou Koukayaku - The Game (based on the Touhou Koukayaku fan music album), that plays similarly to this one.

Tropes featured in this game: