games that allow for solo and multiplayer play.
many of the multiplayer formats here are gm-less, but not all are
"Lighthouse Keepers is a map-drawing game for 1-4 people about a lighthouse and the things that lurk outside it in the deep."
"» One deck of playing cards, shuffled ♠ ♥ ♣ ♦
» One large blank paper (e.g., poster paper, taped together normal paper, whiteboard, a virtual whiteboard website, etc ... )
» Ten index cards per player, with surplus available if possible
» One pencil per player, colored pencils are optional
» One note taking device per player (paper, phone, etc ... )
» One to Five players, more are possible but not recommended
» Several snacks brought by players who are not hosting"
"LOST BUT NOT FORGOTTEN can be played solo, collaboratively with 2-4 Ghosts, or with a Storyteller to facilitate the adventure and 1-4 Ghosts and completed in 2-4 hours."
a solo game with options for both gm-less and gm-assisted multiplayer