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Levels are here. They go up even on a bad run. • Level — fills with every puzzle you solve. Never goes down • From puzzle 11 the board shape changes — blocked centers, scattered pillars • Rankings now reset weekly. A fresh chance every week • Duel records, duel ranking, and 7 new trophies • Fixed: the back button could wipe the board you were solving • Leaving a duel mid-race now counts as a loss
One line, every cell
One line from 1 to the end, covering every cell. Three rules, that's all. · Pass the numbers in order, starting at 1 · Leave no empty cell behind · Dark cells are walls ■ Today's Puzzle Everyone in the world solves the same puzzle each day. Same puzzle means times are finally comparable. Results share without spoiling the answer. ■ Ranked Run Hidden numbers, no finish line. The deeper you go, the less time you get and the more numbers disappear. Solve clean and your leftover time carries into the next board. How far can you go? ■ Duel Same board, head to head — first to 10 wins. Play a friend by room code, match with a stranger, or take on the AI (Beginner, Normal, Expert). ■ 21 trophies Korean, English, Japanese, Chinese (Simplified/Traditional), Vietnamese.
past month, based on 1 day
Downloads
Low confidence163
From install count ÷ months since release
In-app revenue
$0
No in-app purchases
Ads
$36
$18 – $72
Estimate, ads (benchmark-based, not calibrated per app)
Total
$36
In-app + ads
Google Play only. Downloads from daily Top free ranks (or the store's install count); in-app revenue from Top grossing ranks, calibrated on AppTweak's US estimates, or else from downloads; ads from public ad benchmarks. Not reported figures.