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Stelline
Star Battle-style puzzles, each proven to have one solution
A calm Star Battle-style logic game for iPhone. Every board is generated on the phone and proven by an on-device solver to have exactly one solution, so play is unlimited and works fully offline. A deduction engine grades each board and explains hints one logical step at a time. No ads, no account, nothing leaves your phone. Free until 1 October, then USD 1.99, paid once.
Hello Product Hunt. I am an independent developer (Andelis Studio, a one-person studio) and Stelline is my Star Battle-style puzzle game for iPhone: one queen, or two stars, in every row, column and region, and no two touching.
What is different: nothing comes from a server. Boards are generated on the phone, an exact solver proves each one has exactly one solution before you see it, and a seventeen-technique deduction engine grades it and powers hints that teach the next logical step instead of giving the answer. Unlimited boards, fully offline. No ads, no account, no network code; Game Center is optional and off by default.
There is a shared daily board, board links you can send to a friend (they open in any browser), full VoiceOver support and a colour-blind mode. Version 1.3 added German, Spanish, French, Italian, Japanese and Brazilian Portuguese.
It is free until 1 October, then USD 1.99, paid once.
Press kit: https://stelline.page/press/
Questions about the generator or the solver are welcome.
About Stelline on Product Hunt
“Star Battle-style puzzles, each proven to have one solution”
Stelline was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #27 on the daily leaderboard. A calm Star Battle-style logic game for iPhone. Every board is generated on the phone and proven by an on-device solver to have exactly one solution, so play is unlimited and works fully offline. A deduction engine grades each board and explains hints one logical step at a time. No ads, no account, nothing leaves your phone. Free until 1 October, then USD 1.99, paid once.
On the analytics side, Stelline competes within iOS, Puzzle Games and Games — topics that collectively have 214.1k followers on Product Hunt. The dashboard above tracks how Stelline performed against the three products that launched closest to it on the same day.
Who hunted Stelline?
Stelline was hunted by Andelis Studio. 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 Stelline including community comment highlights and product details, visit the product overview.
Andelis Studio