Links Corner is a non-commercial site dedicated to the golf simulation Links.
Is Links Corner an 'official' site for Links 2003 etc.
No. Links Corner has no official status. It is a site run by and for enthusiasts of the game Links.
Do I have to join Links Corner
No. Anyone is free to use the facilities offered at Links Corner without becoming a member. The only exception to this is the Forum where being a member is necessary to get the full benefit the forum offers.