If you have downloaded VERSUS : REALM WAR from the AppStore/Play Store

You can directly check your purchase history.

In order to check the purchase history, please refer to the information below.

◈ How to check your App Store purchase history

   [ Go to iTunes > Top-right Accounts > Accounts > Purchase History > View All ]

◈ How to check your Google Play Store purchase history

  [ Go to Google Wallet > Google Account Login > Transactions > Purchase History ]