mostly contains symmetrical games that are gm-less/gm-apathetic.
also see One or More Player Games
"A collaborative storytelling game about building homes and creating the characters who might live there.
Alternatively: a story building game about building storeys!"
"Players take turns as GM narrating the world and framing the situations in which other players' characters live the adventure."
gm-less adjacent
"Pale Dot is a collaborative storytelling game for 2-5 players about a crew of non-human cosmonauts leaving their planet to explore a strange solar system, finding threads to unravel the unknown along the way."
"Noblesse Goblige is a competitive GMless TTRPG/card story game"
"To play, you need 2-5 people, an hour or two, and a whole bunch of dice. The bigger the variety, the better!
[...]if the table likes, one player can be the Host. The Host has no wizard, instead assuming primary responsibility for all of the above, like a traditional Game Master."
"What you need to play:
This game can last anywhere from an hour to all day. That all depends on how you spend the time. This may be played with anywhere from 2 to 7 people. but 4-6 are recommended."
"Three hours, roughly • Four players, exactly • Thirteen six-sided dice"