Twelve two-way choices with no right answer.
How you pick says how you decide.
About 2 min / no sign-up / nothing is saved
Famous thought experiments mixed with the small pointless hesitations of an ordinary day. Neither option is ever wrong. At the end you get four meters and a name for the way you decide, plus notes on the ones that come from somewhere.
Nothing here asks you to choose who lives. We leave the bitter ones out.