DevoQuest Windows, Mac, Linux game

Devoquest stands for devastated quest, which you play in an classic rpg, you awaken on an island with a mysterious stranger who tells you that, you have been attacked by assassins but on your way back to get revenge you find out none of this is real. It turns out you have been "trippin" out and none of it's real. You end up finding yourself hacking and slashing at nothing and when you "win" it turns out the mysterious stranger has put you in a wrong game, therefore you get teleported into a High-Definition rpg world, where you must find out what has happened and if this is all real or not.