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Loop - Number Puzzle Game
Draw one path, hit every number — inspired by Zip
Loop is a one-line number puzzle: trace a single unbroken path through every cell, in order, without crossing yourself. Same idea behind LinkedIn's viral "Zip" puzzle, built as a dedicated mobile game. Fresh puzzle daily, free to play, works offline, no account needed. Built solo, zero ad budget — growing this entirely through organic channels.
Hey Product Hunt 👋
I'm Prakash — full-stack engineer by day, solo indie dev by night. Loop is my latest side project.
What inspired it: LinkedIn's "Zip" puzzle blew up this year. The mechanic behind it — a Hamiltonian path, where you draw one continuous line through every numbered cell in order — is genuinely great puzzle design, and I didn't think anyone had built a dedicated, polished mobile game purely around it. So I built one.
The problem I was solving was mostly for myself: I wanted a puzzle I could open for 60 seconds and get one clean, satisfying "click" moment — no ads breaking flow, no bloated meta-systems on top of a simple idea.
How it evolved: I started with a basic grid generator and spent most of the time tuning difficulty curves and making sure every puzzle has exactly one valid solution — that part turned out to be the hardest engineering problem, harder than the UI.
Where I'm at: live on Google Play, free to play, zero ad budget — growing this through ASO, Reddit, and communities like this one. No revenue yet, still learning what's worth charging for.
Play Store: https://play.google.com/store/ap...
Would love feedback — especially from anyone who's played Zip or similar loop puzzles. Does the core mechanic feel complete as a standalone game, or does it need more modes to hold up?
About Loop - Number Puzzle Game on Product Hunt
“Draw one path, hit every number — inspired by Zip”
Loop - Number Puzzle Game was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #52 on the daily leaderboard. Loop is a one-line number puzzle: trace a single unbroken path through every cell, in order, without crossing yourself. Same idea behind LinkedIn's viral "Zip" puzzle, built as a dedicated mobile game. Fresh puzzle daily, free to play, works offline, no account needed. Built solo, zero ad budget — growing this entirely through organic channels.
On the analytics side, Loop - Number Puzzle Game competes within Android, Puzzle Games and Games — topics that collectively have 160.6k followers on Product Hunt. The dashboard above tracks how Loop - Number Puzzle Game performed against the three products that launched closest to it on the same day.
Who hunted Loop - Number Puzzle Game?
Loop - Number Puzzle Game was hunted by rp apps. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Loop - Number Puzzle Game including community comment highlights and product details, visit the product overview.
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