You can definitely play online. You need to create a room by paying an invoice. By doing so you become player 1. The first other person paying the second invoice becomes player 2. nostr:nprofile1qqstptpamxyq2sshf8e2qk3hkf2d5qa4uwsudgfw8ghwexy2h3jphpcpr4mhxue69uhkummnw3ezucnfw33k76twv4ezuum0vd5kzmp...