Zankyou no Terror/Terror in Resonance has been compared to Death Note several times, I've even seen people say they like it better. I certainly don't, but hey, might as well give it a shot.
Code Geass is better than Death Note! Don't take this the wrong way but it is. It has a similar plot but is very different in it's own way. But this is a warning! If you thought Death Note was really heavy and intense than watch this with caution and if it really gets you upset while you watch it, watch some hetalia - axis powers to make you feel better! ^^
