Earth Invasion

A horizontal scrolling shoot'em up written by Philip Price and published by Datamost for the Atari 8-bit home computers.

Project-X is a scrolling shooter game for the Amiga computer released in 1992. It was also ported to DOS. Developed and published by Team17, it was regarded as one of the best shooter games for that platform at the time, both for its technical excellence in graphics and sounds, and for its difficult and interesting gameplay. The game resembles Konami's side-scrolling shooter games such as Gradius, Salamander and Parodius.

R-Type Leo is a horizontally scrolling shooter arcade game. It is a spin-off of the R-Type series and the last entry to be released in Arcades. R-Type Leo was initially an original shoot 'em up game in development by Nanao before Irem retooled it into an R-Type project instead. It is also the first R-Type game to feature simultaneous two player gameplay.

Zax: The Alien Hunter is a PC action game from Reflexive Entertainment.

A shoot'em up developed by Richard Brisbourne and published by CRL Group PLC for ZX Spectrum.

During the first half of the 21st century, the war on terror became a global phenomenon, as more blatant and frenzied attacks struck deeper into the lives of common people. Inevitably, the public outcry to stop the madness grew to an irresistible level; the military forces of the world slowly but steadily retooled their approach, weapons, and tactics to combat people who were willing to die for their cause. One of the consequences was the harassment of civilians on an unprecedented scale, leaving destruction and misery in its wake. The world was soon rebuilt and a new age of prosperity and technological progress began. Science focused on creating a viable fusion power source and new technologies which would exploit this new power. A group of corporations was granted almost total freedom in order to pursue these goals. This may have seemed dangerous a hundred years ago, but in 2112 it was considered appropriate and was supposed to foster creativity and growth on an unprecedented scale. It didn't.

It's the BEST IBM shooter yet! A fast paced slugfest, with a pulse-pounding sound track, and jaw-dropping VGA animation & cinematics. In the future as a mercenary flying the super-tech Raptor, you'll be sent on interplanetary missions to knock off top competitors of MegaCorp. Battle against hordes of relentless enemies. Spend the bounty you receive from their demise to expand your devastating arsenal, which can be upgraded with 14 hard core weapons! "Raptor has some of the hottest graphics ever seen in a shareware game, and blows away most commercial games, too! The graphics will amaze you and the sound will astound you. It's a super star!" -- Interactive Entertainment Raptor sets the new standard for PC shooters. This game will do for shooters what Wolfenstein did for 3D games. Incredibly smooth VGA graphics and animation are only half the story. The heart-pounding music in Raptor will leave you breathless, especially if you have a high-end sound card like the Roland or Wave Blaster. (Raptor supports the Midi music format, which provides very high quality music for PC games.) All other major sound cards are also supported! The addictive quality and replay value of this game is unreal. Discover secrets, find the bonuses, and battle the boss ships that appear at the end of EVERY WAVE! With each ship and ground target you destroy, you'll earn more cash to increase your ship's technology for the next wave. You'll be driven to kill and destroy--but then, it's in your blood.

Fight to survive on a mysterious alien planet and do whatever it takes to find a way home. Blaze Rush is a mercenary desperate for a job. In search of an easy payday he follows a distress beacon to the surface of a dangerous planet and the remains of an ancient crash site. There he finds a mystery that will test his strength, his resolve, and every gun in his arsenal. Zombotron features an arsenal of weapons and armor, enemies that hate each other as much as they hate you, and really nice explosions for an experience that’s out of this world.

Endless Sky is an open source 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.

Star Ship is a First-person shooter video game cartridge developed by Atari, Inc. for its Video Computer System (later known as the Atari 2600). The game was one of the nine launch titles offered when the Atari 2600 went on sale. It was designed and programmed by Bob Whitehead. It was based on the Atari arcade game Starship 1. The re-branded Sears TeleGames version was titled "Outer Space".