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ONE Lettered QUIZ
A mobile puzzle game that combines trivia, reflexes, and critical thinking by asking players to select correct letters from moving blocks
since May 23, 2026 · HTTP 404
CohortClass of 2026What it is
A mobile puzzle game that combines trivia, reflexes, and critical thinking by asking players to select correct letters from moving blocks. Each round challenges multiple cognitive abilities simultaneously, progressively sharpening mental agility and reasoning skills.
HTTP liveness
11 probes since May 23May 23Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 20, 2026Went darkDead · 404
- Jun 19, 2026Probe inconclusiveUnknown
- May 23, 2026First probe — downDead · 404
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Pulse Indexobserved activity
11 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y