The four groups

  • Famous named CVEs

    HEARTBLEED · SHELLSHOCK · LOG4SHELL · MELTDOWN

  • Words paired with ZERO

    DAY · TRUST · KNOWLEDGE · COPY

    Zero-day, zero-trust, zero-knowledge, zero-copy — all real infosec/systems terms.

  • Falsy values in JavaScript

    NULL · UNDEFINED · NAN · EMPTY STRING

  • Words paired with FAULT

    SEG · PAGE · DOUBLE · NO

Why this puzzle works

This puzzle has *two* compound-word groups (green and purple). That's the cruelty: when you see something like DAY or NO sitting on the board, you can't immediately tell which wordplay slot it goes in. Resolution: ZERO-DAY and ZERO-COPY are both common in infosec; NO-FAULT is insurance-speak and SEG-FAULT is C. Once you sort which compound is which, the technical groups fall in seconds. The dual-wordplay setup is a Wyna Liu signature.

How to read a Connectle without solving it

A code-themed grouping puzzle rewards counting as much as recognition. Start by listing every plausible group, then notice which tiles appear in two lists. Whichever group has exactly four unambiguous members is your anchor — solve it first and the rest of the board collapses by elimination. The hardest tier (purple) is almost always wordplay: tiles that share a prefix or suffix, not a concept. If a tile feels orphaned, ask whether the same word could follow or precede a common engineering word like root, stack, cache, or queue.