The following is the index of adventures by system for the 2011 osr Challenge: A September of Short Adventures. The role-playing games presented range from favorite classics like 1st ed AD&D, Traveller and Gamma World, to modern revamps like Labyrinth Lord, Mutant Future, and Swords & Wizardry, with many in-between, like the Weird West RPG, Shadow Run and World of Darkness.
The game systems below are listed alphabetically, as are the subsequent adventures.The blog they came from is listed after each entry. In all, over 25 game systems and more than 300 adventures are represented here. For your convenience, the adventures by blog is linked here.
Asshat Paladins, in association with the Mustache-Dragon, thank all the participants for accepting this challenge. We hope that you, the reader, enjoy the imagination, creativity and just-plain-weirdness that went into these adventures. If you use any of these adventures, be sure to let us know as we are all interested in how the 2011 osr Challenge: A September of Short Adventures are used at your table!