Some more interesting Web games I found:
* You can't do binary under pressure: http://games.usvsth3m.com/binary/ (HTML)
* HelloRun: http://hellorun.helloenjoy.com/ (HTML)
* First Person Tetris: http://www.firstpersontetris.com/ (Flash)
* You can't do binary under pressure: http://games.usvsth3m.com/binary/ (HTML)
* HelloRun: http://hellorun.helloenjoy.com/ (HTML)
* First Person Tetris: http://www.firstpersontetris.com/ (Flash)