You need to buy the developer's version of the console in order to develop XBOX games.
all you have to do is go to google and type in make your own horse game
You must have some basic programming skills. You do not need to make your own program for writing the game. There are tools that you can use to make the game.
Game Maker 7 (you can find it on "YoYoGames" )
It all depends on what you are making, if you want your own specific AI or some types of events or you simply want to make your game more diverse coding is highly recommended. Entities provided by cryengine are helpful but make for a bland game (usually). Take a look at the coding and give it a try
what website do you have to be on to make your own texture pack
XBOX Live is not its own game system. XBOX Live is an online gaming and content delivery service that the XBOX 360 game system uses.
you can buy it with your own money do not waste it
I don't think you can make your own songs, but you can download them on 360.
if you are talking about bioshock that game is exclusive to xbox 360 so if you want it you first must get an xbox 360
Because Mario belongs to Nintendo and Nintendo make their own consoles, it is very unlikely that Nintendo will allow Microsoft to make a Mario game for the Xbox.
No
yes
The Xbox 360 game can't and the PC and PS3 games have there own source that is not Xbox live
There is no pro-Xbox player, since everybody is the best at their own thing. If you had a game in mind that you wanted to know who the best at that game is, then I could answer.
Get a new game or send it to Microsoft
A person searching for an inexpensive Xbox 360 adapter likely owns an Xbox 360. There are power adapters and network adapters for connecting to a wireless internet signal.
Xbox 360 games that u already own on the 360 can be sent to your Xbox one with your saved data.