If you're looking for a gift card that can be used worldwide, you might want to consider options like:

1. Visa or Mastercard gift cards: These are usually widely accepted worldwide, just like regular credit or debit cards.

2. Amazon gift cards: While they might not be accepted everywhere, Amazon is a global online retailer, so they have a wide reach.

3. iTunes or Google Play gift cards: These can be used for app and media purchases in many countries.

4. International retail or restaurant chains: Some global chains offer gift cards that can be used at their locations worldwide.

Be sure to check the terms and conditions of the specific gift card you choose to ensure it's usable internationally.