Manbearcat
Legend
6 months or more? In order, I've run:
3 * B/X and RC
1 * Classic Traveler
5 * AD&D
2 * 3.x
3 * Dogs in the Vineyard
1 * Mouseguard
3 * 4e
2 * Apocalypse World
1 * MHRPG
3 * Dungeon World (including Darkest Dungeon Hack)
1 * Torchbearer
1 * 13th Age
1 * Cubicle 7 The One Ring
1 * Beyond the Wall
1 * Strike! (Star Wars)
2 * Blades in the Dark
3 * B/X and RC
1 * Classic Traveler
5 * AD&D
2 * 3.x
3 * Dogs in the Vineyard
1 * Mouseguard
3 * 4e
2 * Apocalypse World
1 * MHRPG
3 * Dungeon World (including Darkest Dungeon Hack)
1 * Torchbearer
1 * 13th Age
1 * Cubicle 7 The One Ring
1 * Beyond the Wall
1 * Strike! (Star Wars)
2 * Blades in the Dark