Keys have all gone if I get any more ill pt again but beta starts June any not sure if it's going to be closed or open also dayz is NOT being ported arma 3 instead it's a full blown standalone title
Check out this site. Arma 3 Alpha Lite - Key Giveaway its legit. All you have to do is link your twitter account, get the key(+gift), then remove the access on your twitter account.