i have the gog version of the game and would like to know if it's possible to play it again in steam to get achievements? is there going to be xbox 360 or games for windows version with achievements?
Right now there are no plans for a console version. I haven't tried it myself, but I'm guessing you can use the steam overlay over your gog copy by doing the following:
Go to your steam library and at the bottom click on "add game" then select "add non-steam game" choose moebius then run it. The game should run with the steam overlay and it should allow you to use steam chat, take and upload screenshots etc.
However, Steam won't recognize it as Steam's Moebius copy, so you can't unlock achievements and the screenshots you upload will not go to Moebius' community hub.