The Galaxian franchise preserves arcade shoot-'em-up heritage with 77 games tracked on GameScrobbler. The community spotlights the descendant Galaga and its modern reimaginings Galaga Legions and Galaga Legions DX, plus collected releases like Arcade Game Series: Galaga and the mashup Sega-Galaga. Expect wave-based formation enemies, escalating patterns, and quick-reflex scoring runs that define the fixed-shooter genre this long-running series helped popularize.