Each game uses different controls, most DOS games use the keyboard arrows. Some will use the mouse , "Alt" and "Space bar".
Return to Zork - Non playable demo, was a teaser that was on a magazine floppy disk.
Return to Zork (CDROM Version)
Return to Zork (Floppy Version)
Megaman X3 (Zero Playable)
Final Fantasy II - Playable Golbez Edition
Beyond Zork - The Coconut of Quendor
Zork Zero - The Revenge of Megaboz
Return of the Phantom
Return of the Ninja
Return to Doom
The Return of Medusa
Return to Kroz
Return of Mario