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Kingdom of Numbers
A casual game designed to build proficiency with core mathematical operations including addition, subtraction, multiplication, and integer division
verified Jul 13, 2026 · HTTP 200
CohortClass of 2026What it is
A casual game designed to build proficiency with core mathematical operations including addition, subtraction, multiplication, and integer division. Players solve creative arithmetic puzzles that require strategic thinking, such as combining only even numbers to produce odd results.
HTTP liveness
11 probes since May 23May 23Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- May 23, 2026First probe — liveAlive · 200 OK
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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