Texas Hold'em for up to 8 players. Practise against easy computer players, or play friends online.
Score: your finishing place (more opponents = more points). Win the table for the top score; the first player out scores nothing.
Choose a nickname. Others in the lobby can invite you - or invite them, add computer players and start a game. You can also watch a game in progress or ask to join one.
Waiting for the host to accept you...