Fastest time winsFive landmarks. Everyone gets the same five each day, so you can compare times.
Six 20-second stagesEvery 20 seconds a free viewpoint opens in A and more of B fills in. Each landmark has 2 minutes.
Help adds 15 secondsA new viewpoint, fewer words (a fifth of the wrong ones go), or a vowel, which drops every copy of that vowel into your answer.
The photosReal photos from Wikimedia Commons. The photographer and licence show after each round.
The wordsThe answer is somewhere in C's 56 words. Each word always has the same three-digit number, whatever round or day it appears in.
AnsweringTap words in C or type letters. It checks itself when every space is full. A wrong answer adds 15 seconds.
Your timeShown as total time with penalties in brackets, e.g. 2:30 (30). Not solved in 2 minutes counts as 2:00 plus 30 seconds.