Browser Based

Cricket Unlimited (CricU)
Free downloadable cricket simulation game to play a One-Day match between any of the different test playing nations either against a friend or against the computer. Microsoft Agent technology provides commentary throughout the game.
http://cricu.4t.com/

Last Man Standing
Interactive Flash game recreating the climaxes of past England-Australia Ashes cricket test matches, score the runs to enable England to win.
http://news.bbc.co.uk/sport/hi/english/static/in_depth/cricket/2001/ashes/last_man_standing/default.stm