adjective

eager or willing to do something new or challenging.

they were game for anything

brave,courageous,valiant,plucky,bold,intrepid,stout-hearted,lionhearted,unafraid,daring,dashing,spirited,mettlesome,fearless,dauntless,undaunted,unblenching,unflinching,gutsy,spunky,ballsy,venturous,willing,favourably inclined,prepared,disposed,in the mood,of a mind,desirous,eager,keen,interested,enthusiastic,ready