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Simple Arithmetic Puzzle
An educational puzzle game designed to strengthen mathematical thinking by arranging numbered tiles and operators into valid equations
since Jun 16, 2026 · HTTP 404
CohortClass of 2026What it is
An educational puzzle game designed to strengthen mathematical thinking by arranging numbered tiles and operators into valid equations. Offers three difficulty levels—simple, medium, and complex—making it accessible for learners from elementary students to adults seeking mental arithmetic practice.
HTTP liveness
8 probes since Jun 16Jun 16Jul 15
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — downDead · 404
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Pulse Indexobserved activity
8 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y