As pure and straight-forward as game concepts come, fly around and shoot pretty much everything! Up to 8 players (three of which can be humans, sharing a keyboard) fly around the arena to best one another at side-on, pixel ship...

You pilot your ship through the dreaded "Maelstrom" asteroid belt -- suddenly your best friend thrusts towards you and fires, directly at your cockpit. You raise your shields just in time, and the battle is joined.    The...

Also play here: https://www.onlinegames.com/1starship/

Bedlam is a Space Invaders kind of vertical shooter game. See also the color sequel: Bedlam 2 (Not to be confused with Bedlam by GT Interactive.)  

Please Shoot Me, released in 1996 by Slovis Software. A simple shareware game in which you shoot down creatures running across the screen using your mouse cursor. You get additional weapons and encounter new types of creatures as you progress...

Bullet Ex is a vertical scrolling shooter made in Japan. Serial: KKKKKK  

A very basic shooter game. 2-4 meteors come down from above, and as you shoot them, they fracture into two smaller meteors, and then two smaller ones from there. You're trying to destroy all of the meteors as they bounce around the screen,...

Asteroids, the quarter-sucking arcade behemoth, rattled some cages in its day. Old-school game fans can rejoice now that MacSoft has updated this classic space shooter. This newest version is the prettiest incarnation to date, but the game is really...

Birdie Shoot 2 is the successor of Birdie Shoot. Shoot everything that moves in 4 different landscapes. Many different animals and birds are included. Every hit awards you points for the high score list. 4 difficulties and one championship are...

Birdie Shoot is a shooting gallery game. It consists of four environments where as many birds as possible need to be shot down as they have been infected with the ASE (Avis-Spongiforme-Enzephalopathy) virus. The gun's cartridges put them to...

Powermanga Linux is an arcade 2D shoot-em-up game with 41 levels and more than 200 sprites : 60 different enemies, 40 meteors, numerous weapons, many end of level baddies, spaceship power-ups and lots of other surprises.  -...

Teeworlds is a free online multiplayer game, available for all major operating systems. Battle with up to 16 players in a variety of game modes, including Team Deathmatch and Capture The Flag. You can...

このゲームは、宇宙空間に次々と現れる敵の攻撃に対し"撃って、かわす"シンプル&レトロ系シューティングゲームです。攻撃の荒波から逃げ切ればステージクリア。全5ステー�...

Take a trip to the Zone with Llamasoft, in the twitch gaming shoot 'em up classic Gridrunner++. Face wave after wave of increasingly ferocious and insane opponents in glorious, retina scorching, psychedelic themed parallax scrolling levels....

「巨人戦機 GIANTS」体験版 高速縦スクロールシューティング 万能兵器「全方位レーザー」を使いこなせ！ ※激辛シューティングです  -...

You can still buy Bullet Candy in itch.io or Steam Bullet Candy is a top down arena shooter. The player takes control of a space ship and has to defeat all the enemies in each of the game's single screen levels. The player can move...