cant you just do this?
xbox 1 with hd and points on + your profile 1
xbox 2 with hd no points + m8s profile 2

put the hd from xbox 1 on you your m8s xbox
down load the arcade game

then put the hd back on to your xbox

replace your m8s hd and down load the game again

will this work?

am about to do this but we dont have a memory card!

just 2 x xbox and 2 x hds!


cheers if you can help!