A single screen and lots of enemies to shoot defines this genre.
Pang Capcom Amiga 1990 2 logs Deluxe Galaga Edgar M. Vigdal Amiga 1995 1 logs Gun Fight Taito Arcade 1975 2 logs Boot Hill Midway Arcade 1977 1 logs Space Invaders Taito Arcade 1978 Jul 1 video 8 logs, 2 facts Galaxian Namco Arcade 1979 Oct 4 videos 12 logs Radar Scope Nintendo Arcade 1979 Dec 2 videos 4 logs Ozma Wars SNK Arcade 1979 Dec 1 video 2 logs Space Beam Irem Arcade 1979 1 logs Astro Fighter Data East Arcade 1979 1 video 2 logs Attack Force Arcade 1979 1 logs Stratovox Sunsoft Arcade 1980 2 logs Phoenix Amstar Electronics Arcade 1980 2 videos 5 logs Moon Cresta Nichibutsu Arcade 1980 2 videos 4 logs Carnival Sega Arcade 1980 1 video 2 logs UniWar S Irem Arcade 1980 1 video 1 logs Galaga Namco Arcade 1981 6 logs Centipede Atari Arcade 1981 8 logs Gorf Dave Nutting Associates Arcade 1981 1 video 1 logs Millipede Atari Arcade 1982 1 logs Satan's Hollow Arcade 1982 1 video 2 logs Pleiads Tecmo Arcade 1982 1 video 1 logs Pisces Subelectro Arcade 1982 1 video 2 logs Exerion Jaleco Arcade 1983 1 video 2 logs Gaplus Namco Arcade 1984 2 videos 3 logs Return of the Invaders UPL Arcade 1985 2 logs Battlantis Konami Arcade 1987 2 logs Space Invaders Taito A2600 1980 1 video 6 logs Demon Attack Imagic A2600 1982 1 video 4 logs Arcadians Nick Pelling BBC 1984 1 logs Gridrunner Llamasoft Vic20 1982 3 logs, 1 facts Abductor Llamasoft Vic20 1983 1 logs, 1 facts Space Invaders GB 1990 1 logs Galaxian NES 1984 2 logs Galaga: Demons of Death Namco NES 1988 5 logs Galaga '88 Namco PCE 1989 2 videos 4 logs Space Invaders: Fukkatsu no Hi PCE 1990 1 video 1 logs Space Invaders Extreme Taito PSP 2008 C 1 logs Space Invaders Z-Axis PS 1999 3 logs Titan Attacks! Puppy Games PS4 2014 2 logs Galaga Namco PS4 2016 4 videos 4 logs Centipede: Recharged SneakyBox PS5 2021 2 videos M *** 9 logs, 1 facts Space Invaders '91 Taito GEN 1990 1 video 3 logs Sega-Galaga Sega SG1000 1984 1 video 3 logs Space Invaders Taito SG1000 1985 1 video 1 logs Verminest Locomalito Win 2012 1 video 4 logs Galaga Legions DX 360 2011 M *** 17 logs