Hitogata Happa

First of the three titles in the Gundemonium Collection, this pixel-style side-scroller brings the intensity of the 'bullet hell' shooter genre to Steam. Choose one of two playable characters, including an unlockable third character! Modify character weaponry to your liking! Dominate 5 levels of frenetic gameplay while being bombarded with high-impact weaponry. Each level culminates with a challenging boss to defeat. Three game play modes will keep the non-stop action going! Experience a new level of game-play: Enjoy Gundemonium Recollection while listening to a brand-new arranged soundtrack.

Shoot 'em up with the 3rd game in the Gundemonium Collection series. Hitogata Happa is considered one of the hardest doujin style shooters ever! – Unlike the first two games, Hiitogata Happa is a vertical scrolling upward shooter, the action in this game is a visual mish-mash of weaponry that will give your senses a total overload. Threatened by an invading army who is terrorizing the land, Rosa enlisted the magic of a witch, Kreutzer – who has charmed her own army of magic dolls, each with extreme power and crazy weapons. Use these dolls to take revenge on the invaders as you blast through six, intense stages. Choose from twelve playable characters (four unlockable), each with their own special abilities, and unlock secret game features.

Reload for more shooting action with GundeadliGne, the 2nd title in the Gundemonium Collection - this anime-style side-scroller brings the intensity of the 'bullet hell' shooter genre to Steam. Take your place as a mercenary and assist in the effort to prevent the annihilation of mankind by the demons of the underworld. Grab a friend, lock and load your guns - play online together in co-op mode! Choose from two player characters, and fight to unlock the third! Four levels of difficulty will make your experience an intense battle. As an added bonus, choose from 6 Matrix Masters with different abilities to help you along your way.

QP Shooting - Dangerous!! is a bullet hell type shoot'em'up starring the pudding-loving dog girl QP seen in 100% Orange Juice. Nothing can stand between QP and her pudding - not even difficulty options to reduce the experienced gamer to tears! The game has 5 stages and 4 difficulty levels, as well as 3 styles to chose from that affect the use of your hyper mode in-game. It also has an arcade and a conquest mode, which allows you to save after each stage.

DonPachi is a 1995 vertical manic shoot-'em-up originally in arcades and was the first game from the developer Cave. Settings are mainly woodland and enemies are military vehicles and robots, culminating in the final boss, a huge robotic bee. One of three weapon configurations is chosen at start and then leveled up through dropped power-ups. DonPachi was ported to the Sega Saturn and Sony Playstation in 1996.

Harmful Park was only released on the Playstation in Japan by a small company named Sky Think Systems. It's your standard 2D side-scrolling shooter, except set in a bizarre amusement park. As the (relatively lengthy) introduction tells you, an evil scientist has taken over Heartful Park and is using it for nefarious purposes. One of his colleagues aims to stop him, but she's old to do it herself. So, she commands her two slacker daughters to save the day, equipping them with some kind of flying motorcycle armed to the teeth with strange weapons.

Gunvein is a dynamic, aggression-based bullet hell shoot em up where you use lock on lasers, charged weapons, bombs & hypers to overwhelm the enemies before they overwhelm you.

Hyper Sentinel is a pure shot of pixel-perfect nostalgia, fusing iconic shooter gameplay with contemporary systems and mechanics; repackaging the sights, sounds and feel of the arcade to deliver the ultimate neo-retro experience.

Profusely Genuine! Explosively Orthodox! Shoot, dodge, and destroy! A die-hard style, faithful return to the origin of top down shooters!

Sonic Wings Special is a 1996 vertical-scrolling shoot 'em up that combines the features in Sonic Wings, Sonic Wings 2, and Sonic Wings 3. It was ported to arcade as Sonic Wings Limited. The home console version adds new characters and endings, new bosses, updated graphics and unlockable planes. There are also Time Attack and 2-player modes. The game uses a branching stage system, so it is impossible to see all levels in one sitting. There is a total of 14 playable characters and many different endings (some of which are reused from previous games in the series). Overall the game has a comic feel. As of Summer 2012, the Android version of Sonic Wings Special has only 4 playable characters with 4 endings and 9 stages. However, the publisher is planning to add further elements of the original version.

Twinkle Star Sprites is a 1996 competitive scrolling shooter arcade game originally created by ADK. It was ADK's last production for the Neo-Geo platform. The gameplay, which can be characterized as a combination of a fixed shooter and a versus puzzle game, uses combinations of shots, as well as timed power-ups to attempt to damage the opponent. These attacks also serve as counters to the opponent's attack.

BLUE REVOLVER is a fresh new shoot-em-up built for newcomers and psychos alike. An adaptive difficulty system tailors the game to your skill level as you fight and flourish to evade the maniac environmental force, "Blue Revolver"!