The sample you can see it from [url removed, login to view] or u can download the detail from [url removed, login to view] The application is using Flash Action Script + PHP + MySQL.
All games are customizable for question, font, color etc and having the control panel to manage it.
Estimate time for each games its about 2 week. The budget is about $200 - $300 for each game.
I have seen the game listing it can be easily done, please see your pmb for details sir