Four in a Row: Drop your discs and line up four before they do: across, up or diagonal. One on one, or the whole room in two teams.
Also known as: four in a line, drop four, line up four.
2-8 players. A free online classic game in the browser: one person hosts, everyone else joins by phone.
Open snazzlebop.com, host a room and share the five-letter code or the invite link. Everyone joins on their phone, and the host picks Four in a Row. Put the show on a TV if you like.
Yes: free, no download and no sign-up. 2-8 players.