You can add me if you'd like. :3 I'm always looking for more people to play with. Also, my brother bought Castleminer Z before Minecraft, and I gotta say - Minecraft is so much better. I hated Castleminer Z.
Yeah it's really good, you gotta have a lot of patience and creativity though. You start out with a default natural world, different environments are basically random, then you can reshape it and build however you like with no limits.
If you have an imagination and dont want to your time occupied yes, I bought it blindly not knowing what it was way back when on the PC, so when it came to X360 I bought it in a heartbeat and I do not regret it. I still fire it up just to add to my massive