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Rabbit Hole. A daily word chain puzzle (rhymes, synonyms, antonyms)
Rabbit Hole offers a fresh puzzle each day where players link words through rhymes, synonyms, or antonyms
verified Aug 28, 2026 · HTTP 200
CohortClass of 2026What it is
Rabbit Hole offers a fresh puzzle each day where players link words through rhymes, synonyms, or antonyms. It’s a quick, browser‑based game that sharpens vocabulary while providing a fun mental workout. No registration required to start playing.
HTTP liveness
7 probes since Jul 26Jul 26Aug 28
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 26, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
7 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
3,100 products launched in 2026 · 100% still active
3,100 active0 sunset
Still active
100%
Median lifespan
4.9y