I am new to Unity and a little overwhelmed at the moment. What do I need to focus on/learn if my initial primary objective is to make a cross platform trading card game? ie mainly thinking using 2D graphics and particle effects. Thanks for the advice in advance.
There is no one way of coding any specific game.
Just learn as much about c# and unity as you can. (or js or boo, whatever)
Make plenty of small games use plenty of cool particle effects in them and get better at making it.
Suddenly you’ll realize you know how to make a TCG, because you can pretty much make anything since you practiced a lot.
one place to look would be this thread…
http://forum.unity3d.com/threads/237379-Trading-Card-Game-Maker
Thank you both for the info.