Last Man was created decades ago but moved into the Twitter era in 2011. The first couple of years had relatively low participation, but the game grew with additional media coverage.
2011 (Summary ): This year was more trying to find Kyle Whelliston, than running from the knowledge. The @findthelastman twitter account was created at the conclusion of the game as a joke that moved on to generally tracking the game and a lot ot work its creator didn't expect
2012 (Summary and results lost to dead websites) - 6 Runners highlighted by the start of J. Scott Fitzwater 's epic 4+ year run that was ended on the Jimmy Kimmel show in 2016.
2017 (Results ) - 142 Runners. This was the start of a more low key era.
2018 (Results) - 71 Runners.
Last Man Blog - A mix of posts about the 2015 and 2016 games.