I own all Games:
Oddworld Abe´s Oddysee on PS1 AND PC.
Oddworld Abe´s Exoddus on PS1 AND PC.
Oddworld Munch´s Oddysee on Xbox (I bought it for Oddworld and now I´m playing other games on it too
)
Oddworld Stranger´s Wrath on Xbox.
Including the first Oddworld Game on Gameboy (I owned the second years ago but I find it crappy so I sold it).
+I own the Art of Oddworld Book