An unfair coin (potentially EXTREMELY unfair) will be flipped fifty times. Your goal is to correctly predict as many of these flips as possible, by deducing the nature of the unfairness as quickly as possible.
[Predict Heads] [Predict Tails]
You can play this (in-browser, very short) game here; the rule governing the unfairness is automatically revealed after flip 50. Followups with different governing rules are here, here, here, here and here.
Fifty Flips
Link post
An unfair coin (potentially EXTREMELY unfair) will be flipped fifty times. Your goal is to correctly predict as many of these flips as possible, by deducing the nature of the unfairness as quickly as possible.
[Predict Heads] [Predict Tails]
You can play this (in-browser, very short) game here; the rule governing the unfairness is automatically revealed after flip 50. Followups with different governing rules are here, here, here, here and here.