You can either use the session-wide link, persistent links, or single-use links.
During testing, you can open this link in up to 2 tabs.
https://otree-irvine-essl.herokuapp.com/join/rovabela
For a real session, you should use a room.
Below are single-use links, which you can distribute to your participants. Each link has a unique code for the participant.
P1 | https://otree-irvine-essl.herokuapp.com/InitializeParticipant/4cl1beht |
P2 | https://otree-irvine-essl.herokuapp.com/InitializeParticipant/26ccf63z |