Originally Posted by
Heathy
hmm I don't think there is without a cracked launcher, thats the only way i know of being able to play without logging in, which is basically what your saying, offline no inet connection, you could try unplug or disable your inet, that might trick the legitimate launcher into just by passing the authentication process.
you should be able to get your details back by doing forgot password or something if you have lost them. I mean you'll need to be able to download the mods any way which it probably won't do in offline mode.