Unity and UDK's browser embadable features aren't available for free, unity is not that stable in some browsers (Don't know about UDK since that is for licensees only), they require a capable system so no netbooks or mobile devices, and unity requires a sepperate plugin. Even flash is discouraged by Polycount with the…
Thank you so much Marshkin for your advice. I'm thinking to start on Unity 3D this week end. At first, I didn't knew with which software start, Unity 3D or UE but after some research on internet, I found that most of people start with Unity 3D. If it will be disturbing you, can you advice me? Tell me about the difference…