Iskra offers wallet recovery phrase for those using Iskra onboarded games for a simplified game sign-up. (However, existing Iskra portal users CANNOT use it.)
You may check the phrase in the following steps. Please take an extra care to keep it safe as your wallet can be stolen if the recovery phrase is lost or exposed to others.
Recovery Phrase for Onboarded Game Users
Sign in to Iskra Portal (https://iskra.world/)
Click My Information > Setting (Top right icon)
Select the WALLET menu on the left (https://iskra.world/setting/wallet)
Go to Recovery phrase > Click the [Reveal] button and check.