Actually, Cydia is a software application. Once you jailbreak your iPhone Cydia will install automatically and after install Cydia to your iPhone, you will allow to install new Cydia application to your iPhone. There are excessive applications in the Cydia. Furthermore, there are so many games available under Cydia. If you want to use these Cydia games, firstly, you have to install certain emulators. After install emulators you can play any kind of games.
Normally App store give you more games, once you have Cydia app installed. You have allowed visit the Cydia Store. Use their sources and get the games which is you like.
This below list is the Best Cydia Games in 2012. You can play below Cydia Games after install emulators.
The App is free and is available through the iHalo Dev Team source
This app is free and available through the ZodTTD source
You can get this game thorugh the BigBoss source
Battle Dot is another free Cydia game that can also be found through the BigBoss source
GTA Chinatown Wars
Legend of Zelda Games
A Falling Sand Game
This is free and is available thorugh the ZodTTD source
it is free and you can get it thorugh the BigBoss source
You can get these games from following Cydia Sources
Zodttd & MacCiti