crossword.build
Turn any theme into a crossword puzzle
crossword.build launched on March 19, 2026 with 3 votes, #3,303 of 23,380 launches that month and more than 50% of that year's launches.
What it does
Creating crossword usually takes a lot of time and effort. You need to come up with words, write clues and somehow find a way to fit everything together. I made this app to take a bit of that load off your shoulders. Just enter a theme and it will help you generate a complete (or finish what you started) crossword for you in a matter of seconds. Whether you're a hobbyist, creator, educator or anyone who just wants to start making crosswords, you can on this puzzle making journey with us.
Generate complete, connected crosswords with our purpose-built algorithm, 500,000+ words, and 1.5M+ clues—then refine every detail with the Builder Agent.
Does a similar job
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CrossCraft: Custom Crosswords2024 · apps.apple.com · ▲108Create & share themed puzzles with friends & family



I made an interactive math crossword puzzle with infinite levels2024 · scientific.place · ▲165Hey there! I'm the brains behind the math crossword game on my site. This game is all about making math a little more fun – users just drag and drop numbers to fill in the blanks and move on to the next level if they get it right. Let me know if face any issues or have any suggestions! :)
- EIExperiments in AI-generation of crosswords2024 · abstractnonsense.com · ▲38
Hi HN, I've been experimenting on-and-off over the years trying to automatically generate crosswords [1]. Recently I've been feeling like my results are good enough that I want to share them and see what other people think. I'm not trying to claim that these could appear in, say, the NYT in their current state, but honestly the velocity of progress makes me feel like I will inevitably be able to automatically generate NYT-quality crosswords within just a year or so. A write-up is here: https://abstractnonsense.com/crosswords.html And you can play the crosswords here:…
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