Lemmings maybe?
3DO, Acorn Archimedes, Amstrad CPC, Apple IIGS, Arcade (prototype only), Atari Lynx, Atari ST, Commodore 64, Commodore Amiga CD32, Commodore CDTV, DHTML, DOS, Hewlett-Packard HP-48 series, Macintosh, Mobile phone, Nintendo Famicom (NES), Nintendo Game Boy, Nintendo Game Boy Color, Nintendo Super Famicom (SNES), OS/2 (demo only), Palm, Philips CD-i, SAM Coupé, Sega Game Gear, Sega Master System, Sega Megadrive (Genesis), Sinclair Spectrum, Sony PlayStation, Sony PSP, TI-83 plus, UIQ, and Windows.
The Ys games have been ported to a hecka lot of platforms.
NEC PC-8801
NEC PC-9801
X1
MSX
MSX2
TG16
X68000
Famicom
Sega Master System
Sega Saturn
Microsoft Windows PC
TurboGrafx 16
TurboDuo
Sega Genesis
SNES
Playstation 2
PSP
AppleIIGS
DOS
PC-Engine
Cell-phones