If you're using NEAR (or any other Decentralized category challenge) you have to have a separate build hosted elsewhere, since Itch limits the use of crypto wallets as you can't do that within an iframe. Still, a playable build should be available on Itch, so non-Decentralized version could be played, and the game is treated as browser one.
Ok, then you need to host it somewhere else as well and point people to that version in the description.