While official rules are strict, gamers have found a few workarounds:

Once you manage to get a Steam code from GameStop (either on a physical card or a receipt), follow these steps: Log into your . Go to the Redeem a Steam Gift Card page. Enter your unique 15-digit code and click Continue . Redeem a Steam Gift Card or Wallet Code

:Platforms like GameFlip or gift card exchanges allow users to sell GameStop cards for cash, which you can then use to fund your Steam account. Note: These sites usually take a small fee. How to Redeem Your Steam Code