 If you liked
Ergo Proxy
|
 ...then you might like
The Third: Aoi Hitomi no Shoujo
|
Ergo Proxy has the same roaming feel that Third does. Although Ergo Proxy is a lot darker, by the end of the anime you feel the same, you don't want it to end, but want to continue on with the journey that the characters are continuing. There is more in depth exploration of the psyche in Ergo Proxy, but overall they have the same feel.