yes mafia creator.com
No we can't play the game online. it is downloadable.
You can't ,the game creators didn't make the game with cheats
http://www.thehunter.com/pub/ claims to be the most realistic hunting game with a free sign up that has is downloadable. http://www.dailyfreegames.com/games/shooting-games/bird-hunting-game.html is a flash game, that can be played online.
Gamehouse is a website providing full version of downloadable games for free. They also have game boards giving access for PC, Mac, online, and mobile game users.
http://www.dailyfreegames.com/games/puzzle-games/jeopardy.html is a link to the jeopardy game. It is downloadable and completely free. If you wish to play online, then http://www.gamehouse.com/online-games/jeopardy-online has it.
go to http://www.games.com/game/family-feud/ and click on flay free online
flashportal.com has a lot of free non-downloadable games you can try.
I don't think there is a place online were you can make free detailed zombie games most online game creators aren't that specific and only make arcade games.
Children's Computer Game Site: Free Kids Games Online. Play loads of free downloadable, online educational games, math games, board games, quizzes ...
make a online petition
It is easy to find free, downloadable games online. Some websites to find pet game downloads include Free Ride Games, My Play City, Winsite, and Gonza Games.
A rom is a downloadable game you can play on your PC for free but it is Illegal. Pokemon is one of the most downloadable game for Ds roms