I'm game for it

Posted by ESC December 16, 2003In reply to I'm game for it posted by Deepika on December 16, 2003

I invited a friend of mine for lunch, and received this message "Tks for the invite ! I'm game for it !" What does the second half mean.

He's "up" for it. Ready to go.

From Merriam-Webster online:

b : willing or ready to proceed. Were game for anything.