nthexwn
Chieftain
A local bar where I live has 50 different beers from around the world, they distribute cards that allow you to check them off as you drink each one. When you finish the card they ring a bell, give you a tshirt and put your name on a plack. This system ruthlessly exploits the part of my brain that enjoys checking things off a to-do list and is quite similar to the achievement system ubiquitous in games now. I'm much less obliged to participate in the digital one, though in practice they're both horrendous uses of time and money.
Ha! That sounds.... dangerous. I'd be tempted to split it across 10 sessions, though 5 might be a little more realistic. How close are you?
