sentences:  Available to any game developer, it was launched as a peripheral for Nintendo's "Family BASIC" Keyboard to save BASIC programs written by users.In addition to "Family BASIC", this compatible game library is Nintendo's "Programmable Series" with "Excitebike" (1984), "Mach Rider" (1985), and "Wrecking Crew" (1985)and the third party games "Castle Excellent" (1989), "Arkanoid - Revenge of Doh", "Lode Runner" (1984), and "Nuts & Milk".As production costs decreased over the years, Nintendo later developed the floppy disk based Famicom Disk System, and ASCII Corporation created an external battery-backed RAM-disk called the Turbo File.