RozenDiadem

Battle as Eddie in his many guises across worlds inspired by the rich lore and music of Iron Maiden - one of the most iconic and influential bands of all time. A mysterious force has shattered Eddie’s soul and scattered the shards. Travel through time and space collecting the pieces as you encounter a cast of dramatic and engaging characters. A powerful soundtrack enhances gameplay, using songs spanning Iron Maiden’s entire career, including previously unheard live recordings adapted for the game by engineer Tony Newton under the close scrutiny of Steve Harris.

"Rozen Maiden: Gebetgarten" is the sequel to "Rozen Maiden: Duellwalzer" for the Playstation 2. The game features 3D aerial battles and visual novel segments following the story of the second season of the Rozen Maiden anime, "Rozen Maiden: Träumend".

Indie bullet hell/STG game developed by Ichigo-Citron, based on the anime/manga series Rozen Maiden.

Bullet-hell shooter

KYM-tan Shoots Things is a shooter game, based on the website personification of the internet humor site KnowYourMeme.

A vertical bullet hell shmup based on Alice in Wonderland for DSiWare.

Galactic Blasters D2 - Brilliant Supernova is the fifth entry in the horizontal space shooter game series Galactic Blasters.

One little egg vs an army of zombie chickens! Get to the chopper or you're clucked. A free-range frenzy of arcade action from the yolked-up eggheads behind Shell Shockers.

Yume Nikki Nijisousaku STG is a vertical-scrolling shooter/bullet-hell style Yume Nikki fangame. You control Madotsuki from the original game as she fights her way through the White Desert.

This is a retro style pixel-art bullet-hell shooting game. Dodge the barrage of bullets, destroy enemies and obstacles to advance. There are several types of items available from treasure chests, including shot enhancements, movement speed increases, and a randomly selected companion Tanishi(snail). The ability of the companion Tanishi(snail) slows down the enemy's shot, and sometimes even eliminates the enemy's bullets.

Indie STG also called Nanoha Taiken 2nd Chu and the sequel of Lyrical Nanoha, developed by the doujin circle Musume. This game was released at Comiket 72.

Underhell Is a game made for Mini Jam 76 by SlimeyyGhost, It is a bullet hell game where you need to dodge your bullets, incentivizing quick gameplay and fast paced movments.

Chaos Field is a top-down space shooter similar in concept to the Gradius series, or Ikaruga. You control one of three ships, each with their own pilot and unique weapon systems. The game takes place over 5 phases, in each phase you face a number of boss battles. Unlike other games if this genre, almost the entire game is composed of boss battles, each boss requiring a different strategy to defeat. The game also uses a unique in-game difficulty adjuster. Called "fields", you can play in either Order or Chaos. Compared to Order, the Chaos Field offers you increased fire power and abilities, but also does the same for your enemies. Order Field is more relaxed on both sides. If you can play in the Chaos Field, you stand to gain substantially more points.