If purchases were made via the Apple App Store, you can find your purchase history by going to the official Apple Support site, located here: https://support.apple.com/en-us/HT204088

Go through the site and you will be able to find your Purchase History.

If purchases were made via Google Play, you can find your purchase history by going to the official Google Support site, located here: https://pay.google.com/payments/home Log into your Google account used to make purchases, go through the site, and you will be able to find your Purchase History and Activity.

If purchases were made via Steam, you can find your purchase history by going to the official Steam website, located here: https://help.steampowered.com/en/ Log into your Steam account used to make purchases, search for "Marvel Puzzle Quest," and click on the game listed under "Products".

If you have tried the troubleshooting tips above and are still having difficulty in locating past purchases, please reach out to customer support at MPQSupport@d3go.com and we will be happy to assist you.