This is a game portal them by wordpress and lists 15 game distributors

This is a game portal them by wordpress so you don't have to use avarcade. They list fifteen different game distribution services!!!!!!!

Fetch and publish games automatically from the most popular game distributors like
 2PG,
ArcadeGameFeed,
Big Fish Games,
Famobi,
 FlashGameDistributrion (FGD),
FreeGamesForYourWebsite (FOG),
HTML Games,
GameFeed by TalkArcades,
GamePix,
Kongregate,
 MyArcadeFeed,
Plinga,
Scirra,
Softgames 
Spil Games.

http://myarcadeplugin.com/

site thats using it:

 http://coolmathgames.global/the-sun-for-the-vampire/