Here is their sneak peek of the product dex.
https://twitter.com/PolyientDEX/status/1308243269713670146?s=19
If the game NTF tokens are compatible, then it is easier to sell them on well-known marketplaces, such as:
They are available on both marketplace you mentioned. Inspite launching 2 days old.
They are now top 5 in volume on opensea.
https://opensea.io/rankings
Im seeing a bright future on this one. Also the free tokens airdrop from holder can be traded on uniswap soon. More precisely next month.