Gunbare! Game Tengoku: The Game Paradise 21998

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.

Compared to DonPachi, DoDonPachi is generally known for introducing new gameplay elements while improving or changing existing ones. The overall background of the game, unlike following sequels, remains more or less centered around a supposed invasion by a mysterious race of mechanized aliens, which the player is called to face throughout its run. However, more sinister and shocking secrets lie beneath the surface, accessible only to those brave and skilled enough to clear the entire game.

Vulcan Venture (also known as Gradius II: Gofer no Yabo) is a side-scrolling shoot ’em up developed by Konami and released in arcades in 1988. Players control the Vic Viper spacecraft as it battles the Bacterion Empire, now led by Gofer. The game builds on the original Gradius by retaining the power-up bar system while introducing selectable weapon configurations and expanded abilities such as different missiles, double, and laser options. It also incorporates elements from Salamander (Life Force) and introduces a stage focused entirely on consecutive boss encounters.

Zanac X Zanac is a shoot'em up game released by Compile to commemorate the 15th anniversairy of the original game. This title includes two games - a reimagination of the original game, called Zanac Neo and 3 different versions of the NES port of Zanac.

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.

Raiden consists of eight vertical scrolling missions where the player maneuvers the Raiden craft dodging and destroying enemy robots, buildings, ground targets, and aircraft. There are bombs and missile powerups as well as collectable medals which add to the score. When player dies, the fighter's fragments become projectiles that damage enemies. After defeating the Stage 8 boss, the mission is completed, and player receives 1 million points for each completed loop. Afterwards, it will start back to Stage 1. This time around, enemies shoot faster and at a more rapid rate.

Alpha Mission II is a 2D vertical scrolling shooter with a great deal of depth for two players moving vertically up the screen boards shooting anything that moves. Equip up to three pieces of armor, which also serve as weapons, for a variety of attacks such as the laser and flamethrower. Use them to defeat the evil “Fulvar” and save mankind!

Silhouette Mirage is a side-scrolling action game. The basic gameplay is somewhat similar to that of Gunstar Heroes. The game's standout feature is the concept of the two attributes. Depending on the enemy's attributes and the type of attack used by Shyna, damage can be increased, and spirit (equivalent to magic power) can be absorbed from enemies. Shyna can dash, jump, crouch, slide, and grab enemies, executing combo attacks. It is also possible to master moves, acquire money, and purchase special creatures called "parasites", which teach Shyna various types of attacks.