Literature
3 words, 5 letters
This is the on-ramp. Easy boards come from the two lowest difficulty tiers, which in practice means more letters are pre-revealed before you touch the puzzle — you're never staring at a wall of bare numbers, and short common words like "the" and "and" are usually given away rather than left as freebies you have to spot yourself.
The quotes themselves tend to be shorter and more familiar too, which helps more than the extra revealed letters do: a sentence you half-recognize gives you a shape to test guesses against before you have decoded a single word. That combination — fewer unknowns, a headstart on the vocabulary — makes this the right place to learn how the substitution actually works: spot a repeated number, guess a repeated letter, watch what else it unlocks.
It's also just a faster solve when you want one. If a puzzle from another category is fighting you, this bucket is where to go for a quick, satisfying win instead.
Literature
3 words, 5 letters
SciencePhilosophy
5 words, 11 letters
ScienceLiterature
7 words, 11 letters
PhilosophyLiterature
7 words, 11 letters
Music
4 words, 12 letters