From this OzBargain post.
EB Games have just added more benefits to their EB World program with yearly birthday vouchers. If you are a level 3 or 4 EB World member you'll receive a $10 voucher, if you're a level 5 EB World member you'll receive a $20 voucher. Birthday vouchers will be sent out on the first day of your birthday month.
To see all benefits that come with each tier level, login to your EB World account and click on member benefits
LEVEL 1
2 day Preorder Hold Guarantee
7 day Game Guarantee
14 day Gift Guarantee
Birthday Reward
LEVEL 2
4 day Preorder Hold Guarantee
7 day Game Guarantee
14 day Gift Guarantee
10% Bonus Trade Credit
Birthday Reward
Level up bonus
LEVEL 3
7 day Preorder Hold Guarantee
7 day Game Guarantee
30 day Gift Guarantee
15% Bonus Trade Credit
$10 Birthday Voucher
Level up bonus
LEVEL 4
10 day Preorder Hold Guarantee
10 day Game Guarantee
30 day Gift Guarantee
20% Bonus Trade Credit
$10 Birthday Voucher
Level up bonus
LEVEL 5
14 day Preorder Hold Guarantee
14 day Game Guarantee
30 day Gift Guarantee
25% Bonus Trade Credit
$20 Birthday Voucher
Level up bonus
Anniversary Reward
Welcome to Level V Reward
Personalised EB World card
Exclusive Facebook Group
Priority Customer Service email