A:AnswerYes - works on all Leappad models (2, Ultra, 3 and Platinum) - can be redeemed in the app store on the tablet under Menu > Redeem Codes or on your PC if you have leapfrog connect installed to sync with the tablet.
A:AnswerHi Thank you for your question. The Leapster Explorer does not use CD's. Please feel free to reach out to us at www.leapfrog.com and we will be happy to assist you in answering any questions you may have.
Best Regards.
Leapfrog Support