If you have a Hive account, you have a Splinterlands account. By now everyone on Hive is probably playing, knows someone that is playing or has read a post of someone that has played the game. More than likely you have upvoted or commented on one of those post. If during your time on the Hive platform, you earned and did not sell your SPT tokens, you are receiving the SPS Airdrop. Go claim them. Here is the full article: https://ctptalk.com/@darmst5339/for-non-splinterlands-players-important-if-you-have-spt-you-have-sps-airdrop