20% of mint sales are added to the airdrop pool. The pool is split into three tiers and then equally divided by the number of NFTs for that tier.
60% of the pool. Aliens earn the most and tend to be the most expensive NFTs in the collection.
30% of the pool. Any NFT from these categories are considered "semi-fungible" and tend to be cheaper.
10% of the pool. NFTs in these categories are rarer and offer an additional small slice of the pool.