Scratch

No, not an actual gallery for games, well, sort of. Its a project which has several games to play. There are also other fun stuff like short videos, prizes and stuff like that. There might be several types of these gallery of games projects with different themes.

See here for the most recent Gallery of Games Versions:

Cuisine: http://scratch.mit.edu/projects/Cookies100/1144538

There would always be many different games to play from pong to shooting games and more. Suggestions and ideas and bug reports are accepted. Reviews too.

Accepting links to other people's projects. Requirements are to have at least 10 views or love-it.