You don't. Games have to be specifically programmed as 3D games. Basically it needs code to say what part of the scenery needs to be at what visual depth, etc. Regular DS games do not have this code.
No, you can play regular DS games on the 3DS. However the 3D games can only be played on the 3DS :)
The 3DS can play the DSI and regular ds games and Yes Of course the 3DS can Play the 3d games but other nintendos can not play the 3D games.
Don't worry, it will. You just can't play them in 3d. If you want to play games in 3d, you'll have to buy a 3ds game.
You can't play 3DS games on the NDS in the first place.
All 3DS games are designed to make use of the system's 3D capabilities.
YES, the 3ds allows you to see games like it is in 3d, but without the 3d glasses!!!! theres even brand new games to be released that are not able to play on systems like the dsi or regular ds.
yes and so will other regular ds games but they won't appear in 3d
When using a regular DS game on the 3DS, the 3D slider does nothing.
No, it will not be in 3D.
No, the DS and DSi games will not be in 3D.
Yes. In fact, it will have additional functionality on the 3DS and the DSi series
well a 3ds makes the games that are for a 3ds 3D