There are no '3DS XL' specific games. There are only '3DS games'. The XL is simply a larger model of the 3DS, not a new device.
It all comes down to personal preference. Some people think it's better, others don't. There is one way it is better which doesn't come down to personal preference though, and that longer battery. 3DS has 5 hours on maximum settings and 3DS XL has 6.5 hours on maximum setting.
The 3DS game ID is located on the front of the 3DS gamecard.
Yes no metter what 3DS is a 3DS
No, the 3DS is region locked.
No, 3DS games will only work in a 3DS.
Fire Emblem: Awakening is the best game for Nintendo 3DS.
there is no puss in boots the video game in the 3ds
Sadly you can not, 3DS games and DS enhanced games(DSi) are region locked. This means that games made for Europe can only be played on a Euro 3DS. Same with the American, Japanese, and Australia units.
The game cartridges are roughly the same size. A 3DS game has a little tab at the top to stop it being inserted into a DS or DSi, which cannot play it anyway. A regular DS game fits perfectly into a 3DS.
There is no 3DS-exclusive Brain Age game, but you could play the DS Brain Age game on a 3DS.
any ds or 3ds game can be played on any 3ds system.
You play 3DS games on a 3DS, not on a computer.