Bundles come in various tiers: Tier 1 is a bundle built to get you to free shipping.
Tier 2 Bundles will include a $5-$15 e Gift card for use on a later purchase.
Tier 3 Bundles will include a $20+ e Gift card for use on a later purchase.
Note: If a bundle makes one or more games elegible for a free demo, you will also receive those.
(After your 6th unit purchased of a game you will receive a free demo copy of that game.)