Motif · Book 2, Carl's Doomsday Scenario
The crawler count
The number on the first safe-room screen: 4,322,395 when Carl first sees it, under a million by the middle of the second floor. He tries not to look at it and always does.
Segment appearances
Progression
Just over 700,000 at the floor's opening (ch. 2), 649,433 by the Narwhal (ch. 14) — slowing, because 'the people who've made it this far mostly know what they're doing now.'