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Rocksday
Daily rock & mineral guessing game — free, no signup
Guess the rock, mineral or gem of the day from a zoomed-in photo in six tries. Wrong guesses zoom out and unlock scientific clues. Free browser game with a 300+ specimen library, compare pages, and archive. No account needed.
Rocksday is a free daily geology puzzle: same mystery rock/mineral/gem for everyone, six guesses from a zoomed-in photo. Wrong guesses zoom out and unlock scientific clues (type, luster, Mohs, structure, locality).
No signup, no paywall. There's a 300+ specimen library, compare pages, and an archive when you're done.
I'd love feedback from rockhounds and puzzle fans — upvote if it looks fun, and tell me what you'd want next (fossils? more hard mode?).
“Daily rock & mineral guessing game — free, no signup”
Rocksday was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #196 on the daily leaderboard. Guess the rock, mineral or gem of the day from a zoomed-in photo in six tries. Wrong guesses zoom out and unlock scientific clues. Free browser game with a 300+ specimen library, compare pages, and archive. No account needed.
On the analytics side, Rocksday competes within Education, Games and Side Project — topics that collectively have 184.1k followers on Product Hunt. The dashboard above tracks how Rocksday performed against the three products that launched closest to it on the same day.
Who hunted Rocksday?
Rocksday was hunted by Morris. 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 Rocksday including community comment highlights and product details, visit the product overview.
Morris
Hey Product Hunt 👋
Rocksday is a free daily geology puzzle: same mystery rock/mineral/gem for everyone, six guesses from a zoomed-in photo. Wrong guesses zoom out and unlock scientific clues (type, luster, Mohs, structure, locality).
No signup, no paywall. There's a 300+ specimen library, compare pages, and an archive when you're done.
I'd love feedback from rockhounds and puzzle fans — upvote if it looks fun, and tell me what you'd want next (fossils? more hard mode?).
→ https://rocksday.com