You can either use the session-wide link, persistent links, or single-use links.

Session-wide link

During testing, you can open this link in up to 6 tabs.

https://otree-irvine-essl.herokuapp.com/join/fifehupo

Persistent links

For a real session, you should use a room.

Single-use links

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/vjn0kftl
P2 https://otree-irvine-essl.herokuapp.com/InitializeParticipant/a0xbvxlc
P3 https://otree-irvine-essl.herokuapp.com/InitializeParticipant/w01gxtem
P4 https://otree-irvine-essl.herokuapp.com/InitializeParticipant/w3akt1mc
P5 https://otree-irvine-essl.herokuapp.com/InitializeParticipant/fz7n5fyl
P6 https://otree-irvine-essl.herokuapp.com/InitializeParticipant/owy5yojo