Weed, coke, DMT, acid, shrooms, 5-meo-dmt, 2c-i, 2c-e, mdma, benzos(xanax/valium), opiates(oxycontin/hydrocodone).
I've never had any trouble with addiction but always enjoy experimenting with new things(after much research of course). I won't touch Crack, Meth, or H.